Engineered for safety and economy. Hoppers are perfectly balanced to roll forward when loaded, dump completely and automatically return to upright, locked position ready for reloading. Continuous welding helps to prevent dripping of wet materials (leak-proof hoppers are available upon request). Formed smooth edge around top and pouring lip for safety and strength. Extended sides prevent side-wise scattering of material. Stacking feature permits stacking of empty hoppers. Strong, easy-to-operate latching mechanism. A Safety Chain is included that gets wrapped around the mast of the forklift to prevent the Hopper from coming off the forks. Factory Installed Upgrades available at the time you order: Legs for pallet truck access Chain Latch for dumping at extreme heights Lifting Lugs for overhead crane use 3-Way Entry Base allows forklift access