Rockler Tenon Tool (3/4" x 3/8"): This tenoning table saw jig is designed to work with your table saw to create tenons for mortise and tenon joints. Cutting tenons is a quick and simple process with our woodworking tools and accessories. --- Easy to Assemble: Fasten clamp arm to the back of the work support plate using two M10 x 25mm socket head screws and lock washers. Clamp the arm using the M8 x 50mm socket head screw and flat washer and follow guidelines for more instructions about the tenon maker. --- 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.