Secure the workpiece: The pocket hole jig is the fast, strong, and easy way to join wood, drill, screw, and finish. 100% accurate side dimension markers: The pocket hole jig offers an adjustable depth range of 1/2-1-3/8 \" (12mm-33mm). The dual metric markings are clearly visible. You can adjust the drilling depth by sliding the marked marker up and down. Titanium-plated step drills: The durable, high-quality all-metal construction is much more durable than plastic and glass-filled nylon alternatives. Includes a high-quality 3/8 \" titanium-plated step drill for increased durability. Durable hardened steel drill sleeve: This pocket screw jig is designed with three drilling positions, ensuring your drilling applications are much more precise. What you get: 1 pocket hole jig, 1 titanium-plated 3/8 \" step drill, 1 6 \" magnetic square bit, 1 set of pocket screws and plugs, 1 drill stop collar, 1 hex wrench.