Bosch offers a full assortment of SDS-max hammer steel points and chisels Removes excess concrete, produces an exterior finish. Fits Bosch SDS-max hammers, competitive SDS-max driver hammers and Hiliti hammers using TE-Y and TE-FY shanks. 16 Tooth Head. Includes: SDS-max 1-3/4 x 1-3/4 Concrete Bushing Head - HS1909.