Drop-forged Chrome Molybdenum steel extension bar. Suitable for use on all types of impact tool. Phosphate finish for added corrosion resistance. Spring-ball socket retainer and drilled head to accept retaining pin.250mm 1Sq Drive Impact Extension Bar• Drop-forged steel extension bar.• Suitable for use on all types of air impact tool.• Chrome Molybdenum steel with phosphate finish for added corrosion resistance.• Spring-ball socket retainer and drilled head to accept retaining pin.• Lifetime guarantee*.• Model No. AK5512Model No: AK5512:Brand: Premier:Drive: 1Sq:Length: 250mm:Material: CrM:Nett Weight: 1.78kg:PTDSEAAK5512