Made of PU source material metal caster plate, it can swivel 360-degrees. This kind of caster wheel is mostly used for shopping carts, furniture parts and for certain equipment. for transporting light furniture and displays quietly and safely. Features - Color: As shown.- Material: PU and metal.- Size: 6.9 x 4.2 x 5 cm.- Made of PU source material, ensure long service life and more better using performance.- Combine source material and practical design together, make it more easy to install.- for transporting light furniture and displays quietly and safely.- Rotate 360 degrees. Smooth, silent and sturdy.- This kind of caster wheel is mostly used for shopping carts, furniture parts and for some certain equipment. - Note: Without brake. Packing list: 4 x Swivel Caster Wheels