Acrylic base for routers. Base is pre-drilled to fit most popular routers and can easily be drilled to fit others. Two separate attachment points allowing routing 0 – 127mm (0 – 5″) from the edge. Includes standard 25mm (1-3/16″) guide bushing insert and screws to attach router. Accepts additional inserts for multiple size openings. 10mm (3/8″) thick base with 13mm (1/2″) thick reversible edge guide. Acrylic base for routers. Base is pre-drilled to fit most popular routers and can easily be drilled to fit others. Two separate attachment points allowing routing 0 – 127mm (0 – 5″) from the edge. Includes standard 25mm (1-3/16″) guide bushing insert and screws to attach router. Accepts additional inserts for multiple size openings. 10mm (3/8″) thick base with 13mm (1/2″) thick reversible edge guide.