Bestgle 3pcs 1/4 Inch Shank Countersink Drill Bit Set, 5 Flute 90° Chamfering Cutter, High Carbon Steel Chamfer Tapered Bits for Woodworking & Metalworking, 12mm 16mm 19mm
Includes 3 countersink drill bits in 12mm (1/2"), 16mm (5/8"), and 19mm (3/4") with a 1/4 inch hex shank, suitable for woodworking and metalworking projects.