PROTO Open End Wrench: Alloy Steel, Chrome, 15 mm Head Size, 5 15/16 in Overall Lg

The PROTO Open End Wrench J3115M is used for tightening or loosening metric fasteners, specifically 15 mm hex nuts and bolts. Its double-end, open-end design allows access in confined spaces. Common applications include automotive repair, machinery maintenance, and industrial assembly where a standard-length alloy steel wrench with a chrome finish is required.

The PROTO Open End Wrench J3115M is a metric, double-end, open-end wrench made from alloy steel with a chrome finish. It has a 15 mm head size and a 5 15/16 in overall length. The manufacturer part number is J3115M. It is designed for standard-duty use and is not insulated for electrical work.

You can source the PROTO Open End Wrench J3115M 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 provide competitive sourcing for PROTO tools without claiming authorized distributor status.

To select the correct PROTO open end wrench, match the wrench head size to the fastener's hex width across flats. For metric fasteners, use a wrench with the same millimeter size as the bolt or nut. The J3115M fits 15 mm fasteners. Ensure the wrench length provides adequate torque for the application without over-tightening. Always use the correct size to avoid rounding fasteners.