Turn your handheld circular saw into an accurate cutting system with the Makita 199232-5 guide rail adapter. Easily attach the adapter directly to the base plate of your Makita DHS660 or DHS661 circular saw to achieve perfectly straight, splinter-free cuts along compatible guide rails. This setup gives you a convenient, portable alternative to heavy table saws when ripping sheet goods and plywood panels on the jobsite. Eliminate drifting during freehand cuts and gain steady, wobble-free control on every cut.