Produces a bright, easy-to-see line for dead-on accurate cuts. Triggered by the centrifugal force of the machine, it starts automatically with powered saw action.
* Fits most 7-1/4", 8", 10" and 12" miter/chop/cutoff and handheld circular saws.
* Easy to install and use!
* Powered by three alkaline batteries (included).
* 5/8" arbor with squared end and internal threading.
Easy installation: simply replace the outer blade washer of your miter saw with the laser guide unit.
* Does not fit 12" Ridgid, Pro-Tech, Makita LS1221 and DeWalt DW705S miter saws produced before 2005.
* Does not fit Porter-Cable Quick-Change, Skil and worm-drive circular saws.