FenceMaster PVC vinyl fence ⅞” opening U channel, made of PVC as the main raw material, by high temperature and high pressure extrusion processing. The formula is environmentally friendly, lead-free and has excellent UV resistance. The opening of this U channel is ⅞”, durable, reliable quality. FenceMaster has accumulated almost two decades of experience in the PVC extrusion industry to ensure that our products bring more value to our customers.