7pcs SDS Plus shank hammer drill set SDS hammer drill bit set. Metal box packing. Sizes : (5,6,8,)x110mm,(6,8,10,12)x160mm 7PCS SDS-PLUS HAMMER DRILL SETSizes : (5,6,8,)x110mm,(6,8,10,12)x160mm. PACKING: Inner:metal box; Outer:carton box packing SDS hammer drill set SDS plus hammer drill set SDS drill set