3 Piece Wobble / Rigid Extension Bar Set3/8" Sq DriveDeep KnurlingForged Chrome Vanadium steel shafts, heat treated and chrome plated with mirror finish. Cut-away tips allow sockets to be driven with shaft offset of up to 10 . Deep knurling on shafts allows extra grip when spinning off fixings. Spring-ball socket retainersFeatures: Forged Chrome Vanadium steel shafts, heat treated and chrome plated with mirror finish. Cut-away tips allow sockets to be driven with shaft offset of up to 10 . Deep knurling on shafts allows extra grip when spinning off fixings. Spring-ball socket retainers. Sizes: 75, 150, 200mm. Lifetime guarantee*. Specification: Drive -3/8"Sq Length -75, 150, 200mm Material -Chrome Vanadium Net Weight -0.41kg Further Information We sell a wide variety of tools and workshop equipment for both the DIY and Professional markets. Alias: ys01818