1. Package includes7pcs 3-point countersink drill bit, 8pcs wood plug cutters, 6pcs countersink drill bits, etc.
2. 3-point countersink drill bits include 3mm, 4mm, 5mm, 6mm, 7mm, 8mm, 9mm, 10mm for drilling pilot holes.
3. Wood plug set includes 4 standard plug cutters and 4 four-tooth chambered cutters with 9.5mm(0.37")shank.
4. Countersink drill's diameters are 6mm(1/4"), 8mm(5/16"), 9mm(3/8"), 12mm(1/2"), 16mm(5/8"), 19mm(3/4").
5. 6 Pack Titanium Combination Drill Tap Bit Set