The Makita Trimmer Base Set (196613-4) is an ideal accessory for Makitas line of compact routers, their 18V LXT Lithium‑Ion Brushless Cordless model XTR01Z and their 1‑1/4 HP* Corded model, RT0701C. The Trimmer Base allows for routing in hard-to-reach spaces. It is ideal for a variety of routing applications.