FLEXIBILITY & SAFETY - The side mount casters designed with double ball sealed bearing make the casters low frictional resistance and high-speed limit, easier to move. They are great all-around and solid casters, and also can effectively stop and prevent the device from moving and hurting others. SMOOTHER MOVE & LOWER NOISE - The 2-inch L-shape table casters are made of premium thermoplastic rubber (TPR) material, antiskid, lower noise, anti-corrosion, and more sturdy. With the caster wheels, no worry move around in different scenarios (even carpet), and no more scratches on the wooden floor. Ideal for small furniture and cribs HEAVY DUTY CASTERS SET OF 4 - Hard to move types of equipment or furniture? The 2 inches small rubber caster set includes 2 swivel workbench casters wheels with brake and 2 without brake, besides, for better usage, the package will also bonus 20 pieces screws MULTI-USE - L-shaped side design, save mounting space, suitable for small DIY projects, baby bed,