Sealey Socket Adaptor Set 6pc AK27366 Piece Chrome Vanadium steel socket adaptor set. Hardened, tempered and chrome plated with spring ball socket retainer. Supplied in storage case. One of a comprehensive range of Premier Hand Tools, suitable for daily professional use. 6 Piece Chrome Vanadium steel socket adaptor set. Hardened, tempered and chrome plated with spring ball socket retainer. Contents: 1 4"(M) x 3 8"(F), 3 8"(M) x 1 4"(F), 3 8"(M) x 1 2"(F), 1 2"(M) x 3 8"(F), 1 2"(M) x 3