Features:*Heavy duty metallic plate, Large load capacity, Allow for 360 degree rotation, Movement no voice, no wheel marks.*Replacement for your old and damaged castors.*Easy to install, in use.*Used in furniture, industrial, day-after-day transportation, machinery and equipment, workshop vans and different areas.Specifications:Material: Plastic and MetalOverall Height: 53mmWheel Size: 40mmTyre Width: 30mmFixing Plate Size: 34mm x 34mmScrew Hole Size: 5mmPackage Contents:4 x WheelNote:1. The genuine color of the article could also be barely diverse from the images proven on online page brought on by many factors similar to brightness of your computer screen and lightweight brightness.2. Please enable slight manual dimension deviation for the data.