Amana tool 20202 Di-Count Adjustable Countersink for DrilS 1/4 - 13/32 SHK, For Wood Screws #2 - #18

2-Wing, Carbide Tipped Accepts drills from 3/32" through 9/32" (wood screw sizes #2 though #18). #20202 includes 1/4" diameter drill (drill not included with #20200. Excellent For Drilling: Natural Woods Man-Made Boards MDF Chipboard Plywood Aluminum/Non-Ferrous* Aluminum Composite Materials (ACM)* Composite 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.