• Specially hardened, tempered and chemically blackened for long and durable life.
• Model No. AK5501• 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.75mm 1/2"Sq Drive Impact Extension Bar