Concealed Hinge Bit Drilling Drill Power Tool DIY Woodworking Hole Opener Alloy Reaming Drill BitDescription:Woodworking hole opener is made of hard alloy, which is resistant to wear and is not easy to break.Suitable for wood product opening, installation of door locks, drawer locks, plastic products, wood, plywood, etc.The arc design of the cutter head, the sharp resistance of the slit is small, the opening efficiency is improved, the opening has no burr, and the chip removal is easy.Bore Clean, Perfect Holes for Concealed Door Hinges.Works with all concealed hinges.Shank fits perfectly in Concealed Hinge Jig drill guide.Shoulder of accurate stop-collar positioning .Spurs create clean hole edges without tearout.Feature:Color: blue + silverSpecification:20mm,22mm,25mm,28mm,30mm,32mm, 35mmMaterial: metalNote:Dear buyer: Due to lighting effects, display brightness, manual measurements, etc., the color and size between the photo and the current project may vary slightly. Sincerely hope that you can understand Thank you Include:1x Concealed Hinge Jig Bit