All metel heavy duty construction. 1 year warranty.
Wall mounted reduced 4:1 Drive for 1" shaft. Works with most commercial garage door. Ideal, Raynor, Genie, Wayne Dalton, Overhead Door, Clopay, Midland, North Central, Martin, CHI, Garage, Amarr, Industrial, Richard-Wlcox, Delden and many others
Includes chain hoist, sprocket, 3' of #41 roller chain, 26' of hand chain, 1 chain keeper and a 1/4" key