17pc Rotary Hammer Drill SDS+ Plus Bit Bits Chisel Set Concrete Fits Hilti Excellent QUALITY SDS Plus set for all your MASONRY needs! This set includes most popular bits for your SDS Hammer Drill. Features Heat Treated Alloy Steel. All drill bits are CARBIDE TIPPED. 4- 4.3" length bits: 3/16", 1/4", 5/16", 3/8" 4- 6.3" length bits: 1/4", 5/16", 3/8", 1/2" 2 -8.3" length bits:5/16", 3/8" 2- 10.2" length bits: 1/2", 9/16", 2 Bull points chisels SDS / SDS Plus connection