Dawn BT135 Replacement 1" PTFE Coated Blade for KwikCut Pipe Cutter; Cuts 1-5/8" OD Multi purpose cutter designed to make quick work of thin wall PVC, Poly Pipe, Hose and Tubing. Our blade is forged from the longest lasting, highest quality steel. This creates a blade that is sharper and holds its edge longer for more clean, precise cuts. Patent # 6370780. Made in the USA in our Colorado Factory.