• Chisels have .401" Parker Taper shanks.
• Model No. AK57/6• Suitable for Model No's SA11, SA12/S, GSA11, GSA12, SA611, SA612, SA50 and other leading brands of air hammer.
• Chisels have .401" Parker taper shanks.Air Hammer Chisel Tail Pipe Remover .401" Shank