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PROTO J1057M Metric Double End 12-Point Box End Wrench - Metric, Double End, 12-Point, Box End Wrenches
PROTOMetric, Double End, 12-Point, Box End Wrenches

PROTO J1057M Metric Double End 12-Point Box End Wrench

The PROTO Box End Wrench is a metric, double-end, 12-point box end wrench with a chrome finish. It features 12 mm and 13 mm head sizes, an 8 3/4 in overall length, and an offset, straight design (MPN J1057M).

SKU 3G-OTH-278549

Brand
PROTO
Item
J1057M Metric Double End 12-Point Box End Wrench
Category
Metric, Double End, 12-Point, Box End Wrenches
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Local availability & support — Singapore

Local office
20 Woodlands Link #09-05, Singapore 738733
Phone
+65 8878 8355
Delivery
Same-day or next-business-day delivery within Singapore for in-stock items; 7–14 days for factory-order parts from Europe.
Payment
Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.
Ships to
Singapore

Technical Specifications

PROTO
Manufacturer Part Number
J1057M
Type
12 mm_13 mm Head Size, Offset, Straight
Overall Lg
8 3/4 in

Technical Documents

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PROTO Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The PROTO Box End Wrench is a metric, double-end, 12-point box end wrench with a chrome finish. It features 12 mm and 13 mm head sizes, an 8 3/4 in overall length, and an offset, straight design (MPN J1057M).

Frequently Asked Questions

What is the PROTO Box End Wrench J1057M used for?

The PROTO Box End Wrench J1057M is a metric, double-end, 12-point box end wrench used for tightening or loosening 12 mm and 13 mm fasteners in industrial maintenance, automotive repair, and mechanical assembly. Its offset, straight design provides clearance over obstructions, making it suitable for confined spaces.

What are the specifications of the PROTO Box End Wrench J1057M?

The PROTO Box End Wrench J1057M has a chrome finish, 12 mm and 13 mm head sizes, and an 8 3/4 in overall length. It is a metric, double-end, 12-point box end wrench with an offset, straight design. The manufacturer part number is J1057M.

Where to buy the PROTO Box End Wrench J1057M worldwide?

You can source the PROTO Box End Wrench J1057M through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations. Contact us for availability and lead time; we supply genuine PROTO tools to industrial buyers globally.

How to select the correct PROTO Box End Wrench size?

To select the correct PROTO Box End Wrench, match the wrench head size to the fastener size. The J1057M fits 12 mm and 13 mm fasteners. Ensure the wrench type (12-point, offset) suits your access requirements. For metric fasteners, use metric wrenches. PROTO offers various sizes for different applications.

Used in

Common applications for PROTO
Automotive assembly — PROTO J72102 impact socket set for fastening lug nuts on production lines
Heavy equipment maintenance — PROTO J3772T flare nut wrench for hydraulic line fittings on excavators
General industrial repair — PROTO J795SA adjustable wrench set for tightening bolts on conveyor systems
Aerospace manufacturing — PROTO J5240A slotted bit socket for adjusting fasteners in confined spaces
Oil and gas pipeline work — PROTO J5438 12-point socket for valve assembly in refineries
Construction site toolkits — PROTO J8179-T500 double box wrench for structural steel bolting

PROTO Products

3G Electric supplies PROTO metric, double end, 12-point, box end wrenches. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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Compatible alternatives & equivalents

Cross-referenced by specification & description
This metric double-end box end wrench features 12-point openings for 6 mm and 7 mm fasteners. The offset, straight design provides clearance over obstructions and allows access to recessed nuts. With a 5-3/4 in overall length, it is suited for tightening or loosening fasteners in confined spaces common in mechanical assembly and maintenance tasks
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This metric double-end box end wrench features 12-point openings for 6 mm and 7 mm fasteners. The offset, straight design provides clearance over obstructions and allows access to recessed nuts. With a 5-3/4 in overall length, it is suited for tightening or loosening fasteners in confined spaces common in mechanical assembly and maintenance tasks
This PROTO wrench features a chrome finish and 12-point box ends for a secure grip on fasteners. With 16 mm and 18 mm head sizes and an offset, straight design, it provides access in confined spaces. Suitable for tightening or loosening metric fasteners in maintenance and repair tasks
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This PROTO wrench features a chrome finish and 12-point box ends for a secure grip on fasteners. With 16 mm and 18 mm head sizes and an offset, straight design, it provides access in confined spaces. Suitable for tightening or loosening metric fasteners in maintenance and repair tasks
This metric double-end box end wrench features 6-point ratcheting action for efficient fastener tightening and loosening in confined spaces. The offset head design improves access to recessed bolts. Constructed from alloy steel with a chrome finish for corrosion resistance. Head sizes: 12 mm and 14 mm; overall length: 6-1/2 in
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This metric double-end box end wrench features 6-point ratcheting action for efficient fastener tightening and loosening in confined spaces. The offset head design improves access to recessed bolts. Constructed from alloy steel with a chrome finish for corrosion resistance. Head sizes: 12 mm and 14 mm; overall length: 6-1/2 in
This metric double-end box end wrench features 12-point ratcheting heads in 15 mm and 17 mm sizes. The 25° offset head angle improves access to recessed fasteners. With an 8-inch overall length, it is suited for tightening or loosening fasteners in confined spaces in automotive, industrial, and mechanical settings
PROTO
This metric double-end box end wrench features 12-point ratcheting heads in 15 mm and 17 mm sizes. The 25° offset head angle improves access to recessed fasteners. With an 8-inch overall length, it is suited for tightening or loosening fasteners in confined spaces in automotive, industrial, and mechanical settings
This PROTO wrench is a metric double-end ratcheting box end wrench with 6-point openings for 12 mm and 14 mm fasteners. Made from alloy steel with a chrome finish, it has an overall length of 9 1/4 inches. Suitable for tightening and loosening hex nuts and bolts in maintenance and repair tasks
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This PROTO wrench is a metric double-end ratcheting box end wrench with 6-point openings for 12 mm and 14 mm fasteners. Made from alloy steel with a chrome finish, it has an overall length of 9 1/4 inches. Suitable for tightening and loosening hex nuts and bolts in maintenance and repair tasks

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This double-end box end wrench features 12-point openings for 27 mm and 30 mm metric fasteners. The 16-inch overall length and offset design provide leverage and clearance for tightening or loosening bolts in confined spaces. Chrome finish resists corrosion. Suitable for industrial maintenance and repair tasks
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This double-end box end wrench features 12-point openings for 27 mm and 30 mm metric fasteners. The 16-inch overall length and offset design provide leverage and clearance for tightening or loosening bolts in confined spaces. Chrome finish resists corrosion. Suitable for industrial maintenance and repair tasks
This PROTO box end wrench features a double-end, 12-point design with 21 mm and 24 mm head sizes. The offset, straight profile allows access to fasteners in confined spaces. Overall length is 13-1/2 inches. Suitable for turning metric bolts and nuts in mechanical assembly and maintenance tasks
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This PROTO box end wrench features a double-end, 12-point design with 21 mm and 24 mm head sizes. The offset, straight profile allows access to fasteners in confined spaces. Overall length is 13-1/2 inches. Suitable for turning metric bolts and nuts in mechanical assembly and maintenance tasks
This PROTO box end wrench features a chrome finish and a double-end, 12-point design with 14 mm and 15 mm head sizes. The offset configuration provides clearance for recessed fasteners in confined spaces. Suitable for tightening and loosening bolts in automotive, industrial, and mechanical applications
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This PROTO box end wrench features a chrome finish and a double-end, 12-point design with 14 mm and 15 mm head sizes. The offset configuration provides clearance for recessed fasteners in confined spaces. Suitable for tightening and loosening bolts in automotive, industrial, and mechanical applications
This PROTO box end wrench features a 12-point, offset design for accessing recessed fasteners in confined spaces. It has 17 mm and 19 mm head sizes and an overall length of 11 1/4 inches. Suitable for tightening or loosening nuts and bolts in mechanical assembly and maintenance tasks
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This PROTO box end wrench features a 12-point, offset design for accessing recessed fasteners in confined spaces. It has 17 mm and 19 mm head sizes and an overall length of 11 1/4 inches. Suitable for tightening or loosening nuts and bolts in mechanical assembly and maintenance tasks
This PROTO box end wrench features a double-end, 12-point design with 30 mm and 32 mm head sizes. The offset configuration provides clearance over obstructions. With a 17 1/4-inch overall length, it is suited for tightening or loosening metric hex fasteners in mechanical assembly and maintenance tasks
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This PROTO box end wrench features a double-end, 12-point design with 30 mm and 32 mm head sizes. The offset configuration provides clearance over obstructions. With a 17 1/4-inch overall length, it is suited for tightening or loosening metric hex fasteners in mechanical assembly and maintenance tasks
Metric double-end 12-point box end wrench with 8 mm and 9 mm head sizes. Overall length 6 3/4 in. Offset design for access to recessed fasteners. Chrome finish resists corrosion. Suitable for tightening or loosening fasteners in mechanical and industrial settings
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Metric double-end 12-point box end wrench with 8 mm and 9 mm head sizes. Overall length 6 3/4 in. Offset design for access to recessed fasteners. Chrome finish resists corrosion. Suitable for tightening or loosening fasteners in mechanical and industrial settings
This PROTO box end wrench features a 22 mm and 24 mm double-end, 12-point design with an offset, straight profile. The chrome finish provides corrosion resistance. Suitable for tightening or loosening fasteners in mechanical assembly and maintenance tasks
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This PROTO box end wrench features a 22 mm and 24 mm double-end, 12-point design with an offset, straight profile. The chrome finish provides corrosion resistance. Suitable for tightening or loosening fasteners in mechanical assembly and maintenance tasks
This metric double-end box end wrench features 12-point openings for 10 mm and 11 mm fasteners. The 7.5° offset head angle provides improved knuckle clearance in confined spaces. Overall length is 8 inches. Suitable for tightening or loosening hex nuts and bolts in maintenance and repair tasks
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This metric double-end box end wrench features 12-point openings for 10 mm and 11 mm fasteners. The 7.5° offset head angle provides improved knuckle clearance in confined spaces. Overall length is 8 inches. Suitable for tightening or loosening hex nuts and bolts in maintenance and repair tasks