Makita Miter Guide Set for use with Makita Plunge Circular Saws SP6000J, SP6000J1 and w/ Makita guide rails 194368-5, 194367-7 196664-7 - The Home Depot
Makita 118" Guide Rail For Use With Plunge Saw - Thread Source
Makita 196953-0 Guide Rail Adaptor for Circular Saw - Screwfix