3x Hex Shank HSS Countersink Wood Drill Bit Set 5 Flutes Holes
Five blade Countersink Sizes:12mm, 16mm ,19mm. 1/4" Quick Change Hex Shank. Set Features all Commonly used Sizes Including 12mm, 16mm & 19mm all with 1/4" Hex Quick Change Shanks to Facilitate Fast Changing with a 1/4" Quick Chuck System.