This Stair Climbing Wheel is make of Stainless steel materials, ensuring durability and stability Suitable for shopping carts, grocery carts, laundry carts, foldable carts, stair climbing carts, trolley carts, hand trucks, luggage carts This Wheel can be installed or removed with ease and convenience, making it user friendly The Cart Caster serves as a helper to transport items, making your shopping trip easy and more efficient Featuring a stable Triangular structure designs, this Shopping Cart Caster enhances stability when transporting goods, Manufacturer: JAZUAIAO