Features Heavy duty caster: the wheel has a maximum load capacity of 220lbs and can also withstand exposure to chemicals and solvents. Shock absorbtion: easy to move and roll, make opening and closing gate easy. High quality: this spring loaded gate wheel is made of premium nylon material and metal construction, sturdy and durable. With a brake, you can hold the gate at anywhere, safe and convenient to use. International products have separate terms, are sold from abroad and may differ from local products, including fit, age ratings, and language of product, labeling or instructions. International products have separate terms, are sold from abroad and may differ from local products, including fit, age ratings, and language of product, labeling or instructions. Package List