Allows the user to perform 6 different applications with one accessory. Heat-treated bits for improved durability. Shock-resistant tool steel in bit tip holder. Bit tip holder has a hardened core for extra strength and reduced breakage. Includes 2 double-ended bit tips (#1/#2 square recess, #2 Phillips/#8 slotted), bit tip sleeve holder that doubles as a 1/4 in. nut driver and bit tip holder that doubles as a 5/16 in. nut driver. Tools->Power Tool Accessories->Drill Bits