14PCS 3/8" DR. TWIST IMPACT SOCKET SET Technical data of the 14 Piece lug nut removal set Sizes 10 - 11 - 12 - 13 - 14 - 16 - 17 - 18 - 19 - 21 - 22 - 24 - 27 mm. Suitable for Impact wrenches / ratchets The last chance to loosen broken bolts and nuts. These nut removal caps are conical in shape, and the hardened sharp cutting edges will bite into the damaged nut. The caps have a recording square of 3/8 ". The caps are thin-walled, making them especially suitable for use in places where loose grinding or drilling is no longer possible.