Feature:* Forstner Bit drills clean holes in soft and hard wood.* Two grousers and a centering point to provide the perfect solution for repeated, clean and accurate hole cutting after a period of time.* Sharp center spur accurately locates the center of the hole.* Used to drill precise flat sole holes without chipping in any thickness of softwood.* For drilling holes in any direction and making arc holes. For drilling, partially overlapping flat sole holes for easy chiseling.* Should be used with an electric drill, here it is not included. Specification:* Product Name: Forstner Bit* Tip Material: Tungsten Carbide * Tip Hardness: HRA.89* Shank Material: Carbon Steel Body * Cutting Diameter:16mm,18mm,19mm,20mm,22mm,25mm,28mm,30mm,32mm,35mm * Drilling Depth: Max. 90mm* Shank Size: As the picture * Overall Length: 122-126mm* Quantity: 1 pcPackage Contents:1 * Wood DrillNote:1. The actual colors of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness.2. Please allow slight manual measurement deviation for the data.