Uxcell a15111200ux1071 Uxcell Shaft Diameter: 10mm/0.4"; Shank Diameter: (Round Part)10mm/0.4"; Total Length: 160mm/6.3" Package Content: 1 x Impact Drill Bit; Product Name: Impact Drill Bit Material: HSS; Flute Length: 95mm/3.7" Feature: SDS Plus Shank; Tip Width: 12mm/0.47" Main Color: Silver Gray; Weight: 66g