This trailblazing tool provides a quick and easy, all-in-one solution to cut both a matching mortise and tenon with a single inexpensive jig. Designed in-house by Generals engineering team, the Model 870 jig is ready to use right out-of-the-box to produce 1/4" mortise and tenon joints for cabinets, furniture and frames. Included are the bushings for also producing 3/8" and 1/2" joints. Using a plunge router with the jig, woodworkers can cut fully aligned mortises and tenons ranging from 1/4" to 1/2" wide and from 1 to 3" long. The unit can be mounted directly on a workbench or onto a board that can be clamped in a vise or to a bench. The Mortise & Tenon Joint has been used for thousands of years. But not until now did someone figure out a way to provide a quick and easy, all-in-one solution to cut both a matching mortise and tenon with a single inexpensive jig. The General EZ Pro Mortise & Tenon Jig is the answer! The jig comes completely assembled and is ready to use right out-of-the-box to produce the widely used 1/4" mortise and tenon joint. Using a plunge router with the jig, woodworkers can quickly and easily cut both mortises and tenons ranging from 1/4" to 1/2" thick and from 1" to 3" wide. The unit can easily handle stock ranging from 1/2" to 1-1/2" thick and can cut multiple mortises in a single long piece.