Replaceable blade for HT1P603 cutter. Perfect for cutting plastic tubes, e.g. PVC, PP-R, PE, PEX / AL. Special V-shape cuts the tube gradually, reducing pressure on the walls of the tube and preventing them from flattening and deforming, ensuring tightness of connections. The blade is made of special SK5 steel alloy, which has a high degree of durability and sharpness.