Proto J3050B Open End Wrench 1-1/16 X 1-1/8 in Double End

Product Description

The PROTO J3050B is a double-ended open end wrench designed for professional trade use in mechanical, HVAC, plumbing, and industrial service applications. It features a 15-degree head angle on both ends, which provides knuckle clearance in tight spaces and allows effective torque application in confined work areas. The wrench spans two jaw sizes — 1-1/16 inches and 1-1/8 inches — making it a practical single-tool solution for fastener combinations common in equipment service and piping work. Constructed from steel with a black finish, it is built for durable, long-term use in demanding shop and field environments.

This wrench is suited for residential and commercial service work where open-end access is required on hex fasteners, flare nuts, or union fittings. The 15-degree offset head angle makes it especially useful on bolt patterns near panels, flanges, or structural members where a flat wrench would bind or slip. HVAC technicians, pipefitters, plumbers, and general maintenance mechanics will find the dual sizing useful when working on equipment with closely matched fastener sizes. It ships as a single unit and is covered by a lifetime warranty from PROTO.

Key Features

• Double-ended design with 1-1/16 inch and 1-1/8 inch jaw openings in a single tool
• 15-degree head angle on both ends for improved knuckle clearance in tight spaces
• Steel construction with black finish for corrosion resistance and durability
• Lifetime warranty from PROTO
• Compact single-piece tool reduces the need to carry two separate wrenches

Compatibility

Designed as an open end wrench for use on standard hex fasteners sized at 1-1/16 inches and 1-1/8 inches, suitable for general mechanical and trade service applications.

Installation Notes

This wrench is a hand tool requiring no installation. Before use on any system, de-energize electrical components and shut off fluid or gas supply lines per applicable safety codes. Use the correct jaw size for the fastener to avoid rounding. Inspect the wrench for cracks or deformation before each use and do not use it as a striking tool or extension handle.