Horse Jump accessory 1.Hot dipped galv surface and can keep 5years without rusty 2.steel tracks are strong enough Horse Jump accessory UsageUsed for Pinless cups SurfaceGalvanizedFeatureAdjustable intervals of 50mm (2")Length4', 5' and 6' long, any length can be availableAdvantage:it can change jumps height faster and simpler Horse Jump accessory