POWERTEC Adjustable Box Joints Jig 71759 for Table Saws and Router Tables. This box joint jig enables precise finger joint and box joint creation on table saws and router tables, making it ideal for wooden box making and woodworking projects. The jig features both fixed and adjustable stop plates to ensure consistent spacing between cuts, while the reusable MDF sub-fence helps minimize tearout for clean results. The wide fence provides a secure clamping surface to hold workpieces firmly in place during cutting. A small adjustment knob lets you fine-tune the distance between pin plates for accurate cuts every time. Made from high-quality materials, this jig is built to withstand regular workshop use and is suitable for woodworkers of all skill levels from hobbyists to professional cabinetmakers. The jig accepts large workpieces that might be difficult or dangerous to cut by hand, improving both accuracy and safety.