Milwaukee 48 22 7314 24 in L 2 1 2 in Cap. Alloy Steel Straight Pipe Wrench 21R665 Operator Head Material Polycarbonate Operator Head Material Polycarbonate Non halogenated Fire Resistance Type Intumescent Shelf Life 2 yr Composition Silicone Non Toxic No Expansion Temperature 350 Degrees F For Material Type All Common Construction Surfaces Firestop Type Sealant Caulk Maximum Service Temperature 185 Degrees F Flame Spread Index 0 Color Family Red Smoke Developed Index 0 Water Activated Not Applicable Drying Time 2 hr Minimum Application Temperature 35 Degrees F Firestop Material Type Caulk Formulation Latex Based For Location Construction Joints making it a great tool for heavy duty construction and industrial applications Dual Coil Springs