Hardened drop forged steel Kango chisel point with shot blast finish. For general penetration and demolition work. Can be used on all masonry, stone, brick and concrete. 21mm hex shank. Compatible with Kango K9 machines. Hardened drop forged steel Kango chisel point with shot blast finish. For general penetration and demolition work. Can be used on all masonry, stone, brick and concrete. 21mm hex shank. Compatible with Kango K9 machines.