With the EV-N-SPRED® PRO Dual Port Adjustable Shut-Off System, the user can infinitely balance the spread pattern based on material size, weight, and flight characteristics, and the Super-duty high-speed gearbox, spread widths of 15ft/4.5m are common. Epoxy powder coated tubular steel chassis with integrated stand, wide comfortable carrying straps; the 3100 is a perfect choice.