Proto J801 Chain Strap Wrench 4 in Max Pipe 16.25 in Chain

Product Description

The PROTO J801 is a chain strap wrench designed for gripping and turning pipe and cylindrical objects up to 4 inches in diameter. The wrench uses a looped chain mechanism to cinch around the workpiece, providing secure rotational force without requiring direct jaw contact. The chain measures 16.25 inches in length, and the handle extends 12 inches for leverage. At 1.56 pounds, it is light enough for one-handed use in confined spaces. Plumbers, pipefitters, and mechanical contractors reach for this tool when working with plastic, coated, or polished pipe that standard toothed wrenches would damage.

This wrench is suited for residential and commercial plumbing, HVAC refrigerant line work, and general mechanical applications where surface protection is a priority. Common install scenarios include tightening or removing PVC, ABS, chrome-plated, or thin-wall pipe fittings. The 12-inch handle provides enough torque for hand-tight joints without requiring additional extensions in most standard service situations. The tool is also used in pool and spa plumbing where plastic pipe runs are common and surface marring is unacceptable.

Key Features

• Accepts pipe up to 4 inches in diameter
• 16.25-inch chain length accommodates a full wrap on larger-diameter pipe
• 12-inch handle for controlled leverage and one-hand operation
• Chain design protects pipe surfaces from jaw-related marring or crushing
• Lightweight at 1.56 pounds for extended use and overhead work

Compatibility

Designed for use on round pipe and cylindrical objects up to 4 inches in diameter, including plastic, chrome-plated, and thin-wall pipe commonly found in plumbing and HVAC applications.

Installation Notes

This tool is used by licensed plumbers, pipefitters, and mechanical technicians. Before use on pressurized systems, shut off the water supply or isolate the refrigerant circuit as required by applicable codes. Loop the chain fully around the pipe and seat it against the hook before applying rotational force to avoid chain slip. Do not use this wrench to exceed the rated 4-inch maximum pipe capacity, as overloading the chain can cause sudden release and injury.