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PROTO Combination Wrench: Alloy Steel, Black Oxide, 3/8 in Head Size, 3 3/4 in Overall Lg - SAE 12-Point Combination Wrenches
PROTOSAE 12-Point Combination Wrenches

PROTO Combination Wrench: Alloy Steel, Black Oxide, 3/8 in Head Size, 3 3/4 in Overall Lg

The PROTO J1212ESB is an SAE 12-point combination wrench made from alloy steel with a black oxide finish. It has a 3/8 in head size and a 3 3/4 in overall length, featuring an offset design.

SKU 3G-OTH-287514

Brand
PROTO
Item
Combination Wrench: Alloy Steel, Black Oxide, 3/8 in Head Size, 3 3/4 in Overall Lg
Category
SAE 12-Point Combination Wrenches
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Technical Specifications

PROTO
Manufacturer Part Number
J1212ESB
Type
Black Oxide, Offset
Overall Lg
3 3/4 in
Head Size
3/8 in
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PROTO Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The PROTO J1212ESB is an SAE 12-point combination wrench made from alloy steel with a black oxide finish. It has a 3/8 in head size and a 3 3/4 in overall length, featuring an offset design.

Frequently Asked Questions

What is the PROTO J1212ESB combination wrench used for?

The PROTO J1212ESB is an SAE 12-point combination wrench used for tightening or loosening 3/8 in fasteners in industrial maintenance, assembly, and repair applications. Its offset design provides better access in confined spaces, and the black oxide finish resists corrosion.

What are the specifications of the PROTO J1212ESB wrench?

The PROTO J1212ESB is an SAE 12-point combination wrench with a 3/8 in head size and 3 3/4 in overall length. It is made from alloy steel with a black oxide finish and an offset design. The manufacturer part number is J1212ESB.

Where to buy the PROTO J1212ESB wrench worldwide?

3G Electric supplies the PROTO J1212ESB combination wrench to customers worldwide. We handle full logistics, customs clearance, and delivery to your location. Contact us for pricing and lead time on this SAE 12-point wrench.

How to maintain a PROTO black oxide combination wrench?

To maintain a PROTO black oxide combination wrench, clean it after use with a dry cloth to remove moisture and debris. Apply a light coat of rust-preventive oil periodically, especially in humid environments. Store in a dry tool chest to preserve the finish and prevent corrosion.

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 12-point combination wrenches. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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