• One of a comprehensive range of Premier Hand Tools, suitable for daily professional use.• Chrome Vanadium steel extension bars and adaptors.• Chrome Molybdenum steel universal joint.• Phosphate finish for added corrosion resistance.• Suitable for use with any impact tool.• Spring-ball socket retainer.• Contents: Extension Bars; 75, 150, 250mm, Adaptors; 1/2"(F) x 3/8"(M), 1/2"(F) x 3/4"(M), Universal Joint.• Supplied in storage case.• Lifetime guarantee*.Chrome Vanadium steel extension bars and adaptors. Chrome Molybdenum steel universal joint. Phosphate finish for added corrosion resistance. Spring-ball socket retainer. Suitable for use with any impact tool. Supplied in storage case.• Chrome Vanadium steel extension bars and adaptors. • Chrome Molybdenum steel universal joint. • Phosphate finish for added corrosion resistance. • Suitable for use with any impact tool. • Spring-ball socket retainer. • Contents: Extension Bars; 75, 150, 250mm, Adaptors; 1/2"(F) x 3/8"(M), 1/2"(F) x 3/4