This makes binding easy. The router can be adjusted to square easy with this tool. What sets this machine apart is that you hold the router in your hand . This allows great feel when binding . The body cradle is included. Check out this link to see the binders in operation. You get the articulated arm , the carriage, nut and mount screw. We will also need to know wht router is being used. A Ridgid laminate trimmer is a good option.