Compatible with Drill Press & Hand Drills: The drill guides are compatible with both drill presses and hand drills, ensuring straight, aligned holes with every use; they keep the long shank drill bit steady, preventing wobbling or movement on your workbench or project Accurate Flat-Bottomed Drilling: This drill jig for straight holes allows you to create precise flat-bottomed holes effortlessly; it works seamlessly with long shank Forstner Bits, drill stops, and a 3/8" Stop Collar, providing controlled depth and smooth operation Sturdy & Reliable: Measuring 2-1/2" H x 3-1/2"D, this drill bit guide is made from durable plastic, providing reliable support for your drilling; it is built to last and handle everyday wear and tear in your workshop or DIY projects Versatile & Precise Drilling: The drill guide jig is perfect for use on maple workbenches or for magnet installations on door closures, and cabinet hinges; it creates clean, accurate holes without damaging finished surfaces, providing a neat finish every time What's included: Woodworking Jigs – (1) JIG IT Drill Guide, designed to help you drill with ease and precision, making your projects more efficient and accurate Rockler Drilling Guide: The drill straight hole jig works seamlessly with both drill presses and hand drills to create straight, aligned holes every time. This portable drill press for hand drill keeps your long shank drill bit straight, preventing wobbling or unnecessary movement on any surface or project. Achieve precise flat-bottomed holes with ease, especially when using Long Shank Forstner Bits, drill stops, and a 3/8" Stop Collar. This hole alignment tool helps you achieve controlled depth and efficiency. Measuring 2-1/2" H x 3-1/2" D, it’s made from durable plastic to provide lasting support for your tasks, whether you're working in a workshop or on a DIY project. Perfect for use on maple workbenches, magnet installations for door closures, cabinet hinges, and drawer pulls, this alignment tool creates clean, precise holes without damaging finished surfaces, for a neat, finish every time. What's Included :(1) JIG IT Drill Guide. Specifications of Hole Drill Guide: Interior Diameter: 3-1/2"- Drill Guide Measures: 2-1/2" high. —About us: The history of Rockler Woodworking and Hardware goes back to 1954 when Norton Rockler started the Minnesota Woodworkers Supply Company in north Minneapolis. It was a small mail-order business with a big aspiration – to become woodworkers' go-to resource for everything they need to complete their projects.