DetailsScissor shears squeeze together for fast cutting of thin wall and small diameter PE, rubber, or nylon tubing. Rotate shears around tubing while squeezing handles together for best cut. PTFE-coated replacement blades for SC1 and SC125. Tougher stainless steel blades (SC1BSS) are better for cutting PVC. Knockout pin included with each new blade. Replacement blades available.