Description:Are you looking for a professional, yet affordable wheel caster? Are you looking for a robust and trustworthy tool that can multitask? If so, look no further Our professional wheel caster must meet your needs. This is one of the best choices for you. Features- Color: Money. Size: 28x10x10cm. Material: Metal and rubber. 4 inch Gate Caster with adjustable spring bracket is designed to allow doors to open and close freely. It features a 50-60 kg load rating and a spring-loaded clamp that acts as a when the caster rolls over rough or uneven surfaces. It also features a universal mount for wooden or metal gates. Heavy-duty spring-loaded gate rollers adjust to surrounding terrain to maintain gate height throughout open and close cycles. These rotary mounts work equally well on both flat and uneven outdoor surfaces such as asphalt, brick, concrete, dirt, grass, gravel and cobblestones.