Dewalt 5 Pce SDS Plus Drill Bit Set supplied in a plastic case The SDS-Plus drill bit is among the best in terms of its speed, life and endurance. Superior carbide grade for long life and greater durability Optimized flute design allows efficient debris removal Hardened body for extra strength and reduced breakage New tip design ensures better bit penetration, longer life, faster drilling and greater durability Includes: 1 x 5mm x 110mm SDS Bit 2 x 6mm x 110mm SDS Bit 2 x 8mm x 160mm SDS Bit.