SNAP/CS Trend Snappy Countersink with heat treated tool steel countersink with a HSS drill. Adjustable for different length screws and can produce counterbored hole for woodplugs. The drill produce pilot holes only. Comes with 1x 2.0mm (5/64in) Drill & C/S Size No.4, 1x 2.4mm (3/32in) Drill & C/S Size No.6, 1x 2.8mm (7/64in) Drill & C/S Size. No.8, 1x 3.2mm (1/8in) Drill & C/S Size. No.10 and 1x 3.6mm (9/64in) Drill & C/S Size. No.12.