Each impact grade extractor socket has been expertly engineered to nearly exceed OEM standards to solve bolt problems and make it an essential tool for nut bolt removal. CR-MO 21/22/23/24mm Lug Nut Socket, CR-MO 8-19mm Lug Nut Socket, 2x bars, CR-MO 1/4' and 31/32' Lug Nut Socket, CR-MO 26/27mm Lug Nut Socket.