Rototrim Professional M Series Trimmer Size: 5.5" H x 20.5" W x 17" D 12 in. Cut Length Self-sharpening tungsten steel cutting wheel and flat counter blade Cast metal cutting head and end supports Twin 0.75 in. diameter chromed steel guide bars Gray - wipe-clean Melamine baseboard- 0.88 in. thick x 12 in. wide