Abn Internal Pipe Removal Tool Pipe Nipple Extractor Set, General Internal Pipe Wrench Set 4pc - 1, 3/4, 1/2, 3/8 Inch

[Remove Broken Pipe Threads]: The ABN 4-Piece Pipe Extractor Tool Inside Pipe Wrench Set removes and installs short nipples with exposed threads, heater hose fittings, plumbing, HVAC connections, and oil filter plugs that have metal or plastic piping (not for PVC) [Perfect Sizes]: 1-inch (25mm), 3/4-inch (18 or 19mm), 1/2-inch (13mm), 3/8-inch (10mm) pipe nipple wrench tools fit inside pipes with corresponding outside diameter; Each internal nipple wrench is 3.7 inches (9.4 cm) long [No Thread Damage]: Internal wrench set prevents marring or denting pipe surface or threads; Hex body turns with fixed or adjustable wrench for added torque; Use with standard socket/ratchet or open/closed end wrench [Built to Last]: Machined, heat-treated cams are expandable and knurled to create a strong internal grip on broken pipe fragments; Cams mounted on alloy steel hex shafts; Includes machined teeth [Easy to Use]: Place wrench inside pipe, turn, and it will tighten or loosen broken piece; Works in either direction and can be used to remove both left and right handed threaded nipples