Avoid crushing rusted galvanized pipes and nipples by using an internal pipe wrench instead of a standard pipe wrench. The General Tools 139/4 Internal Pipe Wrench 4 Piece Set is ideal for installing and removing pipe nipples without marring scratching or denting the pipe surface. It's also good for removing pipe plugs broken pipe ends and rusty fittings lodged inside pipes. Hex body can be turned by fixed or adjustable wrench. Expandable knurled cams create a strong internal grip. The internal pipe wrenches are made from hardened steel and plated to help prevent rust plus meet U.S. Government Specification GGG-W643b for size and weight. Suitable for use with a range of pipe sizes each set comes with four wrenches (3/8-inch �-inch �-inch and 1-inch pipe capacities). Pipe sizes are marked on each wrench. The wrench length is 3-3/4 inch.

• NO THREAD DAMAGE: Ideal for removing broken threaded pipe ends plugs and fittings without marring scratching or denting pipe surface or threads
• CAM ACTION: The machined and heat-treated cams easily grab on to broken pipe fragments lodged inside the other pipe
• USE WITH OPEN OR CLOSED-END WRENCHES: Hex body allows for use of adjustable wrench for added torque
• COMPLIANT: Meets government specifications GGG-W643b for size and weight
• HARDED STEEL CONSTRUCTION: Made from hardened steel and plated to help prevent rust
• For 3/8 in. 1/2 in. 3/4 in. and 1 in. NPT pipe
• Length: 3-3/4 in.