For use with circular saws: Bosch 1677M; Makita Hypoid; Skil HD77, HD77 Mag, HD5860 8 1/4in. Removable rolling platform for use with circular saws to cut concrete slab, marble, plywood and more. Ideal for creating access cuts, scoring decorative lines and making tension-relief lines. Use your own worm-drive circular saw to get the same results as using costly, heavy cutting machines. U.S.A.Blade Roller Type Worm Drive Circular Saws Carriage Type Rolling Removable Carriage Yes Wheel Type Nonmarring Dimensions L x W x H (in.) 13 x 8 x 2 * Installs in seconds without tools * Lightweight enough to be lifted with one hand * Nonmarring wheels protect projects from scuffs * Can be used with circular saws: Bosch 1677M; Makita Hypoid; Skil HD77, HD77 Mag, HD5860 8 1/4in. * Optional water kit (Item# 334905), handle (Item# 334903) and SawVac™ attachment (Item# 334904) sold separately