For use with conduit fittings and reaming. Hooded blade (slotted) keeps bit tip from slipping out of screws. Also reams and smooths both inside and outside of 1/2", 3/4", and 1" thin wall conduit. Cushion-grip handle helps resist slippage. Handle tip is inscribed with tip description symbol. Tip width 3/8", shank length 3", overall length 7-3/8". No. 85191: Tip Size: 5/16", Shank Length: 2-1/2", Overall Length: 7-1/2", Pkg Qty: 1, Package Type: Card