You’ll be able to unload your grain quickly and easily with the Superior Hopper Bin. The sidewall sheet gauges are enhanced to accommodate the additional pressure from hopper unloading. All Superior Hopper Bins come standard with ground control remote openers. The galvanized Superior Hopper Bottom Cone features a bolted design that provides easy transport and assembly. Unstiffened hopper bins are available in 15- to 27-foot diameters up to six rings high. Stiffened hopper bins are available in 15- to 30-foot diameters and are up to 12 rings high.