Item: BRSCHNITT Quick Release Shank Drill Bits Kit Quantity:10pcs/Set Specification: Total Length:77/79mm; Shank Diameter:6.3mm Application: 1.Dry use:For wood,PVC... 2.Wet use:For marble,ceramic,granite... 3.Fit with hand electric drill. Feature: 1.Tungsten carbide cross head,drilling faster and accurate. 2.Shank quick fit quick release,easy to operate.








