VEVOR Sliding Gate Kit 6” Rolling Hardware with L-Bracket Adjustable for DoorProduct Features Heavy Duty Steel Crafted from high strength steel with a rust resistant design, this sliding door system guarantees long term safety and reliability. Whether facing extreme weather conditions or daily heavy use, you can enjoy a smooth, worry free sliding experience. Wear Resistant Nylon Wheels The high density solid nylon wheels reduce track wear and significantly extend the lifespan of your sliding door, lowering maintenance