Proto J818HD Pipe Wrench Cast Iron, 3 1 2 in Jaw Capacity, Serrated, 18 in Overall Lg, I Beam 1AFL7 Heat Rating 300 Degrees F Heat Rating 300 Degrees F Metatarsal Guard Style None Footwear Sole Pattern Exclusive Design Insulation Type None Style Number A8125 Footwear Construction Direct Attach Metal Chip Resisting Sole Yes Chemical Resisting Sole Yes Completely Non Metallic No Laces Color Black Removable Insole Yes Outsole Color Black Toe Shape Round Waterproof Type Waterproof Membrane Last Number or Name 8125 Metatarsal Guard No Toe Type Steel Liner Material Nylon Shank Material Nylon Lugs Metal Toe Style Round Toe Outsole Material Polyurethane Slip Resistance Rating (SATRA Test Values) N A not tested to Satra Puncture Resistant Insole No Insulated No Standards ASTM F2413 18 Midsole Technology Direct Attach SATRA Rating Forefoot Slip on Quarry Tile DairyTile(Dry):1 Water IP NEMA Rating IP67 Maximum Operating Temperature 210 Degrees F Number of Latches 7 Pressure Valve Type Automatic Mobility Mobile Positive Jaw Adjustment Material Forged steel Handle Type I Beam Tether Style Tether Capable Jaw Texture Serrated Adjustment Type Screw Mechanism Non Magnetic No Corrosion Resistant Yes Insulated No Adjustable Manual Products By Industry Transportation this wrench is perfect for tackling even the toughest plumbing jobs