• 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 3/4"(F), 3/4"(M) x 1/2"(F) Sq Drive.• Supplied in storage case.• Lifetime guarantee*.6-Piece Chrome Vanadium steel socket adaptor set. Hardened, tempered and chrome plated with spring-ball socket retainer. Supplied in storage case. Not suitable for use with impact tools.• Chrome Vanadium socket adaptor set. • Hardened, tempered and chrome plated. • Fitted 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 3/4"(F), 3/4"(M) x 1/2"(F) Sq Drive. • Supplied in storage case. • Lifetime guarantee*. • Model No. AK2736Technical Specification:Contents: 3/8"(F) x 1/4"(M), 1/4"(F) x 3/8"(M), 1/2"(F) x 3/8"(M), 3/