Proto J818HD Pipe Wrench Cast Iron, 3 1 2 in Jaw Capacity, Serrated, 18 in Overall Lg, I Beam 04524200458 UL Listed File E34997 For UL Listed File E34997 For Use With IMC Heat Rating 574 Degrees F Last Number or Name 610 Ninety Degree Heel Yes Metatarsal System No Non Marking Sole Yes Upper Material Description Full Grain Leather Manufacturers Suggested Sole Slip Rating Better Non Metallic Upper No Footwear Style 8 in Work Boot Insulated No Completely Non Metallic No Style Number 17311 Waterproof Type Gore Tex Metal Chip Resisting Sole No Mark II Slip Test Results Dairy Tile Wet 0 Provides Instant Grip The serrated design provides a secure grip