This product is a professional and practical trolley caster, made of safe and steel and PVC materials, with good wear resistance and good texture, which can serve you for a long time. Excellent workmanship, simple and practical, easy to replace, will bring you a good experience. Reasonable design allows you to change direction easily and bring you convenience. This is a very good swivel wheel and it will be a for you. Features -Color: Red. -Material: Steel, PVC. -Size: About 10.50X9.50X6.50cm/4.13X3.73X2.55inch. -Capacity: 4 wheels bearing 250KG. -Professional and efficient, flexible and convenient, easy to rotate and adjust the direction, to provide convenience for your application -Reasonable design makes it easier for you to directions and fits your shopping cart better. -It is easy to use and can easily replace old trolley casters. - workmanship, good load-bearing capacity, not easy to break, . -Intimate use of silent noise reduction design, professional and practical, designed to bring you more convenience. Package list: 2 x 3 inch swivel wheels 2 x 3 inch swivel brake wheels