The corrosion, tear and weather resistant 20lb/9kgnylon bag hopper is equipped with a zippered top for easy filling and closure. From the contoured base for fitting around your hip, the adjustable shoulder strap and a long crank handle, is designed with comfortable operation in mind. The Exclusive Rocking Agitator provides smooth, even material feeding to the distribution plate. High speed direct drive gear box allows the operator to adjust the spread width by simply changing the crank rate. Complete directional control and spring to close shut-off.