Conduit reamer replacement blade kit for 85091, 85191 and 19352|Hooded blade design keeps tip from slipping out of screws, especially when tightening hard to reach conduit fittings thicker hood is designed for rugged use|Reams and smooths 1/2 in, 3/4 in, 1 in thin wall conduit ends to protect wire and permit correct installation of fittings|Reams both the inside and outside of the conduit at the same time|Replaceable reaming blade is now held in place with a 1/16 in set screw