Plantex Caster wheel body is a made of iron with 7 layer powder coated black finish and this wheel made of PU (polyurethane) material these polyurethane wheels are gentle on floors, preventing scratches and marks while providing excellent traction. offer superior abrasion resistance, load carrying capability, and longevity. They are frequently utilized in heavy-duty applications and are appropriate for both indoor and outdoor use. Plantex 1.5 inch soft PU swivel caster wheel is a size of with break (l) 9.5 x (w) 4.5 x (h) 6 cm and without break (l) 6 x (w) 4.5 x (h) 6 cm. and 4 Pack of caster wheels. With pre-drilled holes, these caster wheels are easy to install on various surfaces, saving you time and effort. These Plantex swivel casters can remain silent and smooth even when carrying a large weight because to their precision wheel bearings, which promote low noise and smooth operation. additionally, PU material will absorb shocks to keep movement low-vibration. The casters wheels can be utilized indoors or outside for a variety of products that are frequently found in the workshop, garage, kitchen, factory, and office, including workbenches, wood boxes, kitchen tables, cabinets, and furniture. You can clean the floor easily by moving the workbench smoothly.