The Trend 150mm Unibase has 13 hole patterns and is suitable for most 1/4" plunge routers, including 18V cordless routers. It is made from reinforced nylon, ensuring a low-friction, precise routing surface for ease of use. It has a precision centring system, to ensure perfect concentricity between cutter and guide bush for precise accuracy with the routing jigs. A QR code features on the Unibase, to make locating the right hole pattern easy. Securely mount your guide bushes using the reinforced brass inserts. Includes a screw pack in a handy box, so you can find the correct screws with ease. Compatible with Bosch, DeWALT, Makita, Festool and many more routers including Trend T4 and T5EB MK2, Bosch GKF600 with Plunge base, Festool OF1010, Makita DRT50 with plunge base and RP0900, RP1110C, RP1111C and RT0700 with plunge base, Milwaukee M18FR12 and M18FTR, Hikoki M8V2, Dewalt DW621 and DW615. It is also compatible with all Trend guide bushes. 150mm diameter x 9.5mm thickness.