Drop-forged steel extension bar. Suitable for use on all types of air impact tool. Chrome Vanadium steel with phosphate finish for added corrosion resistance. Spring-ball socket retainer and drilled head to accept retaining pin.125mm 1/2Sq Drive Impact Extension Bar• Drop-forged steel extension bar.• Suitable for use on all types of air impact tool.• Chrome Vanadium steel with phosphate finish for added corrosion resistance.• Spring-ball socket retainer and drilled head to accept retaining pin.• Lifetime guarantee*.• Model No. AK55012Model No: AK55012:Brand: Premier:Drive: 1/2Sq:Length: 125mm:Material: CrV:Nett Weight: 0.22kg:PTDSEAAK55012