Class 1. Square Deal nonclimb. 2" x 4" horse fence. Top and bottom gauge: 10. Filler wire: 12-1/2. Rigid fencing yet flexible construction makes this ideal for installation over rolling meadows or hilly terrain. Superior strength and closely woven 2" x 4" vertical mesh pattern is specifically designed to prevent horses, cows, or hoofed animals from stepping through or walking down. 100' roll.