Description: Description: 100% brand new and high quality 7pcs tapered drill & countersink Set Taper drills have more gripping power than standard drills. Pre-drills for wood screws and makes holes with perfect tapers ever time. The adjustable stop collars can be adjusted up and down. Drill can be adjusted to the desired drilling depth. This set is perfect for all the popular wood screw sizes. Drill Material: HSS Chamfering device material: Steel Size: 5# drill diameter 3.18mm 6# drill diameter 3.58 mm 7# drill diameter 3.97 mm 8# drill diameter 4.37mm 9# drill diameter 4.76mm 10# drill diameter 5.15mm 12# drill diameter 5.56mm Package Includes: Package includes: 7 x countersink
