ITEM NAME:5PCS 8mm Shank Countersink Drill Bits Woodworking Chamfer Counter Bits Description: Premium car.5 Pieces of Countersink Drill Bits. Quantity: 1pc 2.8mmx8mm, 1pc 3.0mmx8mm, 1pc 3.2mmx8mm, 1pc 3.5mmx8mm, 1pc 4.0mmx8mm, 5Pcs in total. Universal round shank, suitable for drilling machine with chuck or joint.