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.100mm 3/4Sq 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. AK5505Model No: AK5505:Brand: Premier:Drive: 3/4Sq:Length: 100mm:Material: CrM:Nett Weight: 0.64kg:PTDSEAAK5505