General description DEWALT ELITE SDS+ Full Head Carbide 4 Cutter Drill Bits are designed for high-performance drilling in reinforced concrete, stone, and masonry. The tapered core increases strength and resists flute breaks, while the high-speed blasting process strengthens the bit to reduce the risk of breakage. This set is supplied in a handy metal case for protection and easy transport. Technical specifications Contains multiple bits with lengths ranging from 110 mm to 160 mm Diameters: 5 mm, 6 mm, 8 mm, 10 mm, and 12 mm Shank type: SDS-Plus Made with solid carbide tips featuring four cutting edges for enhanced durability and precision Four-flute spiral design for efficient debris removal and smooth drilling Compatibility and accessories Universal compatibility with all SDS-Plus percussion drills Supplied in a durable metal case for protection and easy transport Installation Insert the drill bit into the SDS-Plus chuck of your compatible drill Ensure the bit is securely locked in