Vise Grip® Cast Aluminum Pipe Wrench, 18 in, Drop Forged Steel Jaw ORS NASCO and oil contaminants Dries quickly Leaves no and oil contaminants Dries quickly Leaves no residue non conductive polymer which features a rubber face cap for impact and shock resistance Wrist lanyard connection C cell lights have a spring loaded clip Heavy duty cast aluminum housing is 40% lighter than cast iron and easier to maneuver I Beam handle and wide design provides better weight distribution Drop forged jaw is heat treated to resist distortion or breakage Easy spin adjusting nut is heat treated for durability Hammer head design provides a flat surface for hammering