BIT HOLDER 30DEG KNUCKLE PIVOTrk areas. Compact design locks at 0 or 30 degree angle and is designed for use with Shockwave Impact duty 1/4'' hex accessories. Rated to handle up to 2,000 in lbs. of torque in impact drivers. Built for extreme durability and long life. Made from proprietary steel and heat treated to control hardness and absorb shock. 10 Shockwave Impact duty insert bits are included. Bits included: Phillips bits: 1'' - (1) P1, (1) P2, (1) P3, square bits: 1'' - (1) SQ1, (1) SQ2, slotted bits: 1'' - (1) SL 1/8'', (1) SL 3/16'', (1) SL1/4'', (1) SL 9/32'' Torx Bits: 1'' - and (1) T25.