Heat treated and hardened Chrome Vanadium steel shafts. Fully polished black chrome finish with machined and lacquered heads. 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.3pc 3/8Sq Drive Wobble/Rigid Extension Bar Set Black Series• Heat treated and hardened Chrome Vanadium steel shafts.• Fully polished black chrome finish with machined and lacquered heads.• 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.• Lifetime guarantee*.• Model No. AK7691Model No: AK7691:Brand: Premier:Drive: 3/8Sq:Length: 75PTDSEAAK7691
