Hopper screen helps break up clumps and guards against clogging. Jumbo 13x4.00 turf tread pneumatic tires with non-rusting poly rims. Double adjusting plates allow infinite adjustment of spread pattern. Perfect for accurate spread control along walks and shrubs. Massive gears are totally enclosed to seal out dirt and grit - guaranteed 2 full years. 3-position adjustable handle. 50 lb. capacity hopper. Heavy duty frame has 175 lb. load bearing capacity. Stainless steel shut-off plate.