The DEWALT® DCS3501 replacement cutting die set is made from hardened steel for increased cutter life. These will allow you to cut 1/4", 3/8", & 1/2" mild steel coarse threaded rod, along with 1/4", 3/8" stainless steel coarse threaded rod. Laser etched markings allow you to quickly identify cutter sizes. Includes: upper & lower cutting die, upper & lower set screws.