Shockwave Impact Duty 30 degree Knuckle Pivoting Bit Holder allows users to drive fasteners and drill holes in tight, difficult work areas. The innovative, compact design locks at a 0 degree or 30 degree angle and is designed for use with Shockwave Impact Duty 1/4' hex accessories. Rated to handle up to 2000 in/lb (inches per pound) of torque in impact drivers. Engineered with Shockwave Impact Duty technology which is built for extreme durability and up to 10 times hardness, these bits feature an innovatively designed geometric shock absorption zone to extend life. 10 Shockwave Impact Duty insert bits are included. 1 each: Phillips Bit 1' P1, P2, P3; Slotted Bit 1' SL1/4', SL1/8', SL3/16', SL9/32'; Square Bit 1' SQ, SQ2; Insert Bit 1' T25