A must have tool for every woodworker!Includes drill (slow spiral, High-Speed Steel (HSS) M2 fully ground drill bit). Tool designed with a unique shank with hex part and round part.For FestoolA(R) CENTROTECA(R) drill machines and standard quick-change chucks for 1/4" (6.3mm) hex shank.Includes Drill (Slow Spiral, High-Speed Steel (HSS) M2 Fully Ground Drill Bit). Open space to allows for chip evacuationAdjustable, heavy-duty, revolving depth-stopHSS drill bit includedIndustrial quality, carbide-tipped Quick release hex shank2-WingThis unique new countersink features an adjustable, heavy-duty, revolving depth-stop with a no-thrust ball bearing for quick and easy adjustment of the countersink depth without scratching or burning surfaces. These tools combine Amana's well-known, long lasting carbide tipped countersinks with the unique, adjustable & heavy duty revolving depth-stoppers with a no-thrust ball bearing. Read review of carbide tipped countersinks. The user-friendly design enables control of the drill length and its replacement, without the need to disassemble the depth-stop. Excellent for Drilling:Natural WoodsMan-Made BoardsMDFChipboardPlywoodAluminum/Non-Ferrous*Aluminum Composite Materials (ACM)*CompositesComposite Decking Materials*WARNING!: For optimal results and extended tool life use lubricant or air cooling. Ensure the material is fixed and drill is stable while drilling.