Quality results require quality tools. Since 1949 wolf craft has brought innovative woodworking solutions to professionals and DIY enthusiasts alike. wolf craft's Multi-Angle Drill Guide allows you to achieve drill press precision with your portable drill. Sets up in seconds. Perfect for indoor and outdoor projects where you need precise holes, but using a drill press isn't an option. The guide attaches directly to a built-in 3/8 in. drill chuck and can be used in horizontal, vertical or angled positions, anywhere from 0-45°. The 0-45° scale is cast into the metal base plate for legible, permanent visibility. Guide can be set at a full range from 45° left to 45° right for precise angles and drilling accuracy into hard or soft, flat or rounded surfaces. The removable handle adds more control and leverage for a wide variety of stationary or free-rotary applications. 6,000 Maximum RPM.