Milwaukee SHOCKWAVE Impact Duty 30 ° Knuckle Pivoting Bit Holder users to drive fasteners and drill holes in equal, Herculean work areas. Its progressive, written agreement design at a 0 ° or 30 ° angle and is designed for use with SHOCKWAVE Impact Duty  1/4 â € hex accessories. It is to handle up to 2,000 in-lbs of torque in impact drivers. The 30 ° Knuckle is with Milwaukee SHOCKWAVE. Impact Duty which is built for distant durability and up to 10x life. Made from patented steel and heat treated to keep hardness, the SHOCKWAVE Impact Duty insert bits an innovatively designed nonrepresentational shock absorption zone to extend life. 10 SHOCKWAVE Impact Duty insert bits are. Now with Milwaukee SHOCKWAVE Impact Duty Insert attractable Nut Drivers -LRB- 1/4 '', 5/16 '', 3/8 '', 7/16 '', 1/2 '' -RRB-.