6 Pc Wobble / Rigid Extension Bar Set3/8" Sq DriveAdaptors and JointManufactured from heat treated and hardened Chrome Vanadium steel with a fully polished finish. Extension bars feature cut-away tips allowing sockets to be driven with shaft offset of up to 10 and deep knurling on shafts for extra grip when spinning off fixings. Spring-ball socket retainersFeatures: Manufactured from heat treated and hardened Chrome Vanadium steel with a fully polished finish. Extension bars feature cut-away tips allowing sockets to be driven with shaft offset of up to 10 and deep knurling on shafts for extra grip when spinning off fixings. Spring-ball socket retainers. Contents: Extension Bars; 75, 125, 250mm, Adaptors; 3/8"(F)1/2"(M), 3/8"(F)1/4"(M), Universal Joint. Lifetime guarantee*. Specification: Contents -Extension Bars; 75, 125, 250mm, Adaptors; 3/8"(F)1/2"(M), 3/8"(F)1/4"(M), Universal Joint Drive -3/8"Sq Net Weight -0.57kg Further Information We sell a wide variety of tools and workshop equipment for both the DIY and Professional markets. Alias: ys01823