Features 1、PVC Stainless Steel Material: This universal caster is made of PVC stainless steel material, rigidity and toughness are very strong, under normal operation can be achieved long term use. 2、Labor Saving: Our universal casters use a very labor saving design, which means that you can save a lot of energy when working with this caster, and use the physical strength in places that require more physical strength. 3、Rotate Freely: This universal caster is very strong in rigidity and toughness, and the equipment equipped with this caster rotates very naturally during the work, so that your work efficiency can be improved. 4、Convenient to Carry: The caster is very convenient to carry, when you need to do at any time to replace, do not need when the storage is also very convenient, will not occupy space. 5、Anti Rust Treatment: This universal caster adopts the surface electrophoresis anti rust treatment, very wear resistant and durable, can give you the best experience when you need it. Specification Item Type: Universal Caster Material: PVC, Stainless steel Caster Diameter: Approx. 5cm / 1.97in Base Plate Size: Approx. 7.2 x 5.2cm / 2.8 x 2in Package List 4 x Universal Caster