The Leigh R9 PLUS Joinery System from Leigh Industries makes three sizes of through dovetails (pin widths of 3/8″, 7/16″ and 1/2″) and three sizes of box joints (3/16″, 3/8″ and 3/4″), on boards of any width, with no jig adjustments required. Board thickness for dovetails can go up to 13/16″ and for box joints up to 1″. It works on either a router table or bench-mouted with a handheld router and includes the patent-pending Leigh e10 guide bush. The R9PLUS Joinery System is priced at $169.