3 sizes to choose from12mm/16mm/19mm, contain 2 sets, are compatible with standard screwdrivers and electric drills, including vertical drills. High Quality MaterialThe countersinks are made of high quality HSS with high hardness, they are sharp, durable and rustless, no burrs. Unique 90 Design90 degree angle on milling for clean and precise milling, the five-edge front corner design ensures free chip flow and fast cutting without chatter . Remove burrs easilyWith these conical burrs, burrs can be easily broken and removed without causing scratches. Remove burrs easilyWith these conical burrs, burrs can be easily broken and removed without causing scratches. Set of 6 90 angle cutters, HSS cutter set with titanium coatings, countersink cutter ? 6.3-20.5 mm for clean and precise milling.Made of high quality HSS, durable and anti-rust, long service life.Drill bits are mainly used for wood opening, reaming, chamfering, screw head, etc.Also applies to MDF, plywood, acrylic, PVC sheets and soft metal, etc., titanium coated cutters, have a strong cutting and cutting ability.With the front corner design, dirt will be removed and dealt with faster at work. Specification?: Material?: HSSSize: 12mm, 16mm, 19mm, each size in 2 piecesAngle?: 90?degrees Scope of delivery?: 6 X StrawberriesNote: The data is manual measurement, please allow 1-8cm error, due to differences between light and screen, there will be a certain color difference, the specific received in kind prevail.