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PROTO Box End Wrench: Chrome, 1/4 in_5/16 in Head Size, 4 1/2 in Overall Lg, Std - SAE, Double End, 6-Point, Ratcheting Box End Wrenches
PROTOSAE, Double End, 6-Point, Ratcheting Box End Wrenches

PROTO Box End Wrench: Chrome, 1/4 in_5/16 in Head Size, 4 1/2 in Overall Lg, Std

The PROTO Box End Wrench: Chrome (MPN J1191-A) is an SAE, double-end, 6-point, ratcheting box end wrench with a 1/4 in and 5/16 in head size and a 4 1/2 in overall length. It features a chrome finish and a straight…

SKU 3G-OTH-279582

Brand
PROTO
Item
Box End Wrench: Chrome, 1/4 in_5/16 in Head Size, 4 1/2 in Overall Lg, Std
Category
SAE, Double End, 6-Point, Ratcheting Box End Wrenches
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Technical Specifications

PROTO
Manufacturer Part Number
J1191-A
Type
1/4 in_5/16 in Head Size, Std, Straight, SAE
Overall Lg
4 1/2 in
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PROTO Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The PROTO Box End Wrench: Chrome (MPN J1191-A) is an SAE, double-end, 6-point, ratcheting box end wrench with a 1/4 in and 5/16 in head size and a 4 1/2 in overall length. It features a chrome finish and a straight, standard design.

Frequently Asked Questions

What is the PROTO Box End Wrench J1191-A used for?

The PROTO Box End Wrench J1191-A is used for tightening and loosening fasteners in industrial maintenance, automotive repair, and mechanical assembly. Its 6-point ratcheting box end design provides secure grip on SAE hex nuts and bolts, while the chrome finish resists corrosion in demanding shop environments.

What are the specifications of the PROTO Box End Wrench J1191-A?

The PROTO Box End Wrench J1191-A is an SAE double-end, 6-point ratcheting box end wrench with head sizes of 1/4 in and 5/16 in. It has a 4 1/2 in overall length, a straight standard design, and a chrome finish. The manufacturer part number is J1191-A, and it is made by PROTO.

Where to buy the PROTO Box End Wrench J1191-A worldwide?

You can source the PROTO Box End Wrench J1191-A through 3G Electric, a global industrial equipment distributor established in 1990. 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 head size to your fastener's hex dimension. The J1191-A covers 1/4 in and 5/16 in SAE sizes. Ensure the wrench type (ratcheting box end) suits your access constraints. For tight spaces, the straight design works well. Always verify overall length for torque leverage.

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 sae, double end, 6-point, ratcheting 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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