EarthWay Product engineers manufacture high quality lawn and garden products used by homeowners and professionals. Patented, state-of-the-art features ensure long life, ease of use, and superior performance in a variety of applications. The Over the Shoulder Spreader features an oscillating shut-off plate that prevents clumping and aids in flow control. Convenient spring action rate setting control and support grip. Wide and comfortable shoulder strap. Nylon bag has zipper top. High RPM gearbox provides a smooth feathered edge broadcast and features enclosed glass filled nylon gears. adjustable throwing ports that allow spread pattern adjustments based on material density or size of area to be covered. Jumbo 13" Dia. Turf tires on rustproof rims for easy rolling on roughest of terrain.