Beveled hood opening is 28” x 24” - big cattle, even horned cattle, feed easily. Low center of gravity for stability. Top of tub is 23” from the ground so calves can gain easy access. Aerodynamic hood and wind vane aids directional control. Full 360° rotation protects expensive supplements from the elements. The 48” x 48” tubular base frame is constructed of 2” 16 gauge, 50,000 psi steel tubing for strength and stability.