Material Tungsten Carbide Cutting diameter 16 Millimeters Finish type Tungsten Carbide Shank type SDS-Plus Brand Bosch About this item 2-cutter Tungsten Carbide plate makes the bit extra tough 2-flute U-shape flute design provides effective dust removal and standard lifetime Fits all SDS plus rotary hammer drills. Suitable for concrete brick wall SDS PLUS-1 DRILL BIT FOR ROTARY HAMMER DRILLS