Hardened drop forged steel SDS Plus angled chisel with shot blast finish. For general breaking up and demolition work. Can be used on all masonry, stone, brick and concrete. 17mm hex shank. Compatible with all SDS Plus machines including Silverline and GMC. Hardened drop forged steel SDS Plus angled chisel with shot blast finish. For general breaking up and demolition work. Can be used on all masonry, stone, brick and concrete. 17mm hex shank. Compatible with all SDS Plus machines including Silverline and GMC.