Proto J3050 Open End Wrench 1-1/16 X 1-1/8 in Double End

Product Description

The PROTO J3050 is a double-ended open end wrench designed for fastener work in mechanical, HVAC, plumbing, and general trade applications. It spans two wrench sizes in a single tool, with a 1-1/16 inch opening on one end and a 1-1/8 inch opening on the other. The head is angled at 15 degrees relative to the handle, which provides clearance in tight or obstructed fastener locations. Constructed from steel with a satin finish, the J3050 is built for repeated use in demanding service environments. Licensed technicians and journeyman tradespeople reach for this style of wrench when a ratchet or socket will not fit.

The J3050 is suited for residential and commercial mechanical work where large-diameter fasteners appear on equipment, piping connections, or structural hardware. The 1-1/16 and 1-1/8 inch sizes are common on supply and return line fittings, equipment mounting hardware, and mechanical room plumbing. The 15-degree offset head allows the technician to reposition the wrench with each stroke in confined spaces where swing arc is limited. It is packaged individually and carries a lifetime warranty from PROTO.

Key Features

• Double-ended design provides two wrench sizes in one tool: 1-1/16 inch and 1-1/8 inch
• 15-degree head angle improves access in tight, obstructed fastener locations
• Steel construction for durability in trade service environments
• Satin finish reduces glare and provides a clean appearance after use
• Meets ASME B107.6 and GGG-W-636E standards
• Lifetime warranty from PROTO

Compatibility

Designed as a standard double-ended open end wrench suitable for mechanical, HVAC, plumbing, and electrical trade applications requiring 1-1/16 inch or 1-1/8 inch fastener engagement.

Installation Notes

This wrench is intended for use by licensed or experienced trade professionals working on mechanical systems and equipment. Always ensure the correct jaw size is fully seated on the fastener before applying torque to prevent rounding. Inspect the wrench for cracks or deformation before each use and remove from service if damage is found. Follow all applicable site safety requirements when working on energized, pressurized, or gas-carrying systems.