Features:Six piece Chrome Vanadium steel socket adaptor set Hardened, tempered and chrome plated with spring-ball socket retainer Not suitable for use with impact tools Supplied in a tough composite case Specifications:Model No: AK2736Contents: 3/8"(F) x 1/4"(M), 1/4"(F) x 3/8"(M), 1/2"(F) x 3/8"(M), 3/8"(F) x 1/2"(M), 3/4"(F) x 1/2"(M), 1/2"(F) x 3/4"(M) Sq DriveHeight: 97Width: 121Length: 50, Weight: 1.0361726314 pounds, Manufacturer: Sealey