Used together with CF-18 Dowel Milling Machine will be a complete set of perfect mechanism for making dowel. Dust proof switch. Patented improved tension design on pressure roll no. 52479; Specifications Model. CF-36. Range of Working Dia. f6 ~ f18 mm. Range of Working Length. 20 mm ~ 150 mm. Drive Motor. 12 HP. Capacity. 36 piece min .