Proto J1220M-T500 Combination Wrench 20 Mm

Product Description

The PROTO J1220M-T500 is a 20 mm combination wrench built for professional use in mechanical, HVAC, plumbing, and electrical service applications. It features a 15-degree offset head with a 12-point box end, giving technicians better knuckle clearance in tight spaces. The wrench measures 9-5/8 inches overall length and is constructed from steel with a full-polished chrome finish that resists corrosion. It is tether capable, making it suitable for elevated work or environments where dropped-tool prevention is required by site safety protocols. Licensed tradespeople and service technicians working in industrial and commercial settings will find this wrench meets ASME B107.100 standards.

The J1220M-T500 is intended for use on 20 mm fasteners in residential and commercial mechanical systems, industrial equipment maintenance, and job sites where tool-tethering is mandated. The straight handle design allows for consistent torque application in standard access scenarios. This wrench is a common choice for HVAC technicians, pipefitters, and millwrights working on metric-fastened equipment and assemblies.

Key Features

• 20 mm head size fits standard metric fasteners
• 15-degree offset head angle improves clearance in confined spaces
• 12-point box end for engagement on hex fasteners in multiple positions
• Tether capable for compliance with dropped-object prevention requirements
• Full-polished chrome finish provides corrosion resistance
• Meets ASME B107.100 wrench standard
• Limited lifetime warranty

Compatibility

Designed for use on 20 mm metric fasteners. Suitable for general mechanical and trade service applications requiring a combination wrench with an offset box end.

Installation Notes

This wrench is a hand tool intended for use by qualified tradespeople including HVAC technicians, pipefitters, plumbers, and electricians. Always de-energize or shut down equipment before loosening fasteners on mechanical systems. When working at height or over open equipment, attach the tether point to an approved lanyard anchor per site safety requirements. Inspect the wrench before each use for cracks, chips, or finish damage that could indicate compromised tool integrity.