All CRL BTB Blades are made of spring steel, and can be re-sharpened to ensure constant clean cuts and extended blade life. Each blade is designed for specific cut out situations. Insert BTB Blades into these Handles for those precise cut-outs that may be too delicate to cut with a power tool.

Besides these regular blades, CRL BTB Serrated Blades are available. They combine the "in-out" movement with sideways "sawing" action to speed up removal time.