The MILWAUKEE 11 Piece 30 degree SHOCKWAVE 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 Milwaukee SHOCKWAVE Impact Duty ¼" hex accessories. Milwaukee 30 degree knuckle set is rated to handle up to 2,000 in/lbs of torque in impact drivers. The 30 degree Knuckle is engineered with SHOCKWAVE Impact Duty technology which is built for extreme durability and up to 30X life. The Milwaukee magnetic bit holder is made from proprietary steel, heat treated to control hardness. The SHOCKWAVE Impact Duty insert bits feature an innovatively designed geometric shock absorption zone to extend life. This bit set includes, Philips bits: 1" (1) P1, (1) P2, (1) P3, square bits: 1" (1) SQ1, (1) SQ2, slotted bits: 1" (1) SL ?", (1) SL 3/16", (1) SL1/4", (1) SL 9/32", Torx bits: 1" (1) T25.