Professional 8-piece set for repairing damaged car threadsoelks. • made of steel• thread nut sizes: M 24 x 1. 5, M 24 x 2, M 22 x 1, M 22 x 1. 5, M 20 x 1. 25, M 20 x 1. 5, &frac 34;” x 20 UNEF, 13/16” x 20 UNEF• 32 mm socket• packaged in a handy casewith clear markings