Continuous Run Motor for Buttonsewer, Buttonholer and Bartacker Machines. Precision balance for smooth quiet performance. Fan ventilated for cooler running. Built-in belt tightener adjustable for correct belt tension. Enclosed OSHA type belt guard for safety; fully adjustable. Oversize ball bearings pre-lubricated and permanently sealed. 6 volt light tap for low voltage light fixture. 2/5 H.P., 220 Volt, 3-Phase, 1725 RPM. Complete with pulley.