Advantages and Uses: Flat push rods for farm applications and long distance water delivery are made of high quality PVC and polyester yarns. Thickness (mm) and Length (meter): 1 1/2 inches (50, 100 m), 2 inches (50, 100 m), 2 1/2 inches (50, 100 m), 3 inches (50, 100 m), 4 inches (50, 100 m), 6 inches (50, 100 m), 8 inches (50 m).