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 allow extra grip when spinning off fixings. Spring-ball socket retainers. Features & Benefits: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*.Model No. AK763 Specifications: Model No AK763 Brand: Premier Drive: 3/8"Sq Length: 75, 150, 200mm Material: Chrome Vanadium Nett Weight: 0.41kg