Brand new and high quality. Material: 40CR+YG8C. Shank: SDS PLUS. Color: Silver. Flute: double flutes S4. Tip: Cross Tips / 4 Cutters. Drill body hardness: HRC45 to HRC48. Carbide Hardness: HRC89.5-90.5. Length: 110mm(4.33in), 160mm(6.30in)(optional). Dia: 110mm(4.33in): 5mm(0.20in),6mm(0.24in),7mm(0.28in),8mm(0.31in),10mm(0.39in),12mm(0.47in)(optional). 160mm(6.30in): 5mm(0.20in),6mm(0.24in),7mm(0.28in),8mm(0.31in),10mm(0.39in)(optional). Quantity: 1Pcs. Features: Drilling bits of SDS Plus electric tools, cross type tips, suitable for drilling concrete, wall bricks, ceramic, etc. 40CR body material and carbide YG8C tip material, ensures long-lasting performance and reliability. More durable with long service time. 4 cutter cross type tip and the spiral groove can help to drill through quickly. SDS Plus shank, compatible to electric hammer drill, no need to use adapter. Lightweight and compact, easy to carry and store, allowing you to take it anywhere.