Proto J1073M Offset Box End Wrench 12 Point

Product Description

The PROTO J1073M is a double-end offset box end wrench designed for fastener work in tight or recessed spaces where a standard wrench cannot seat properly. The offset head geometry creates clearance between the work surface and the user's hand, reducing knuckle interference during torque application. Both ends feature a 12-point box configuration machined from steel with a polished finish. This wrench is a standard hand tool for licensed plumbers, HVAC technicians, electricians, and general trade professionals who need reliable fastener engagement in confined areas.

The J1073M is suited for residential and commercial service work where offset access is required — common in mechanical rooms, panel installations, pipe flange connections, and equipment mounting applications. The double-end configuration provides two drive sizes in a single tool, reducing the need to swap between wrenches during a job. The polished steel finish resists surface corrosion under typical shop and field conditions.

Key Features

• Offset box end head geometry provides knuckle clearance and access in recessed fastener locations
• 12-point box configuration on both ends allows engagement from multiple angles
• Double-end design delivers two drive sizes in one tool
• Steel construction for durability under typical trade torque loads
• Polished finish for corrosion resistance and easy cleaning
• Non-ratcheting box end for positive, full-engagement drive

Compatibility

Designed as a standard-duty offset box end wrench for general trade use with hex fasteners requiring 12-point box engagement.

Installation Notes

This wrench is installed by hand and requires no special tooling. Ensure the box end is fully seated on the fastener before applying torque to avoid rounding. De-energize or isolate any system before working on fasteners associated with live electrical, pressurized, or gas-carrying components. Follow applicable codes — NEC, IFGC, or IPC as relevant — when servicing mechanical systems.