The Renovator Join A Jig makes crafting joints in wood simple, fast and strong. If you can make a simply Join A Jig box, you can renovate your kitchen, bathroom or laundry and make practical storage for a fraction of the cost. Just Jig it, Drill it, Join it! What’s in the kit Jig-A-JigTM Wood Joining System x 1 Square Driver x 1 Step Drill Bit x 1 Collar (for Step Drill Bit) x 1 Join-A-JigTM Screws (3.9x32mm Zinc) x 600 Join-A-JigTM Screws (3.9x51mm Zinc) x100 Join-A-JigTM Plastic Plugs x 10 Clamp Handle- Squeezing the Clamp Handle grips holds the workpiece securely in place. Quick Release Trigger- Releases the workpiece. Drill Guide- The hardened zinc drill guides are the “core” of the Join-A-Jig. As you drill the pocket holes the Step Drill Bit follows these guides at a precise angle calculated to provide optimal joint strength. The Drill Guide can be used in the Join-A-Jig or can be removed and used for repairing existing joints. Drill Guide Locking Pin Locks the Drill Guide into place while you adjust its height for different workpiece thicknesses. Screw Fixing Holes- Used to permanently secure the Join-A-Jig to your workbench. Tip: Remember to remove the rubber grip pads from the underside o`f the Join-A-Jig and keep them in a safe place.