Due to the various diameters, different rebate depths of 4.9–14.6 mm, depending on the router, can be routed. Robust and precise metal ball bearing. Simple replacement with a screw with hex socketSpare ball bearing for cutters. Routing rebates in wooden materials. Routing back panel rebate in furniture construction. Routing rebates in frame constructionsfor routing various rebate depths in conjunction with a rebating cutterfor HW 491085 reversible blade rebating cutter, for HW 491022 rebating cutter