Router table jig for cutting simple and decorative spline slots in boxes. MDF router base with high-grade plastic sled. Smooth-sliding tracks ensure accuracy and ease of use. Jig holds box at 45° angle and is slid across the bit to cut a perfect spline slot. Includes centring tool to align the jig with the centre of the router bit. Accommodates frames with 279 x 356mm (11 x 14”) opening or boxes measuring up to 305 x 305 x 305mm (12 x 12 x 12”). Fits 10 x 19mm (3/8 x ¾”) mitre slot. 11 x 14"