Model No. 139C 3/4\” Internal Pipe Wrench For 3/4\” NPT pipe Hex body can be turned by fixed or adjustable wrench Heat-treated alloy steel cams are plated to resist rust Meets U.S. Government Specification GGG-W643b Product Description Specs This General Tools 3/4\” Internal Pipe Wrench is ideal for installing & removing pipe nipples without scratching or denting the pipe surface. It\’s also good for removing pipe plugs, broken pipe ends, & rusty fittings lodged inside pipes. Product Title Model # General Tools 3/4\” Internal Pipe Wrench 139C For California Residents: WARNING: Cancer & Reproductive Harm – www.P65Warnings.ca.gov WARNING: Drilling, sawing, sanding or machining wood products can expose you to wood dust, a substance known to the State of California to cause cancer. Avoid inhaling wood dust or use a dust mask or other safeguards for personal protection. For more information go to www.P65Warnings.ca.gov/wood