The height adjustable aluminum alloy tube wheel casters are an excellent addition to any walker. These wheel casters are designed to provide smooth and stable movement, making daily activities easier and more enjoyable. The adjustable height feature allows for a good fit, ensuring maximum comfort and support. The aluminum alloy construction and wheels make these casters a reliable and stylish choice for anyone looking to enhance their performance. Features -Color:Grey -Material:Aluminium alloy, rubber -Size:29.50X11.70X7.50cm/11.59X4.60X2.95in -Wheel diameter: 12 cm -Adjustable height: featuring adjustable height levels, these wheel casters can be used to fit users of different heights for optimal comfort -Robust aluminum alloy: the aluminum alloy construction ensures the wheels are lightweight yet , suitable for everyday use -Effortless assembly: no special tools are required, making the assembly process simple and the wheel height easily adjustable -Smooth movement: navigate smoothly over uneven surfaces like carpets and sidewalks without worrying about floor damage -Wide applicability: suitable for various walkers, these wheels enhance user mobility and convenience across different environments Package list: 2 wheel casters