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