Drop-forged steel adaptor Suitable for use on all types of air impact tool. Chrome Vanadium steel with phosphate finish for added corrosion resistance.Impact Adaptor 3/8Sq Drive Female - 1/2Sq Drive Male• Drop-forged steel adaptor.• Suitable for use on all types of air impact tool.• Chrome Vanadium steel with phosphate finish for added corrosion resistance.• Lifetime guarantee*.• Model No. AK5400Model No: AK5400:Brand: Premier:Drive: 3/8Sq(F) x 1/2Sq(M):Length: 36mm:Material: CrV:Nett Weight: 0.10kg:PTDSEAAK5400