Features:*Heavy obligation metallic plate, Large load capacity, Allow for 360 degree rotation, Movement no voice, no wheel marks.*Replacement on your old and damaged castors.*Easy to install, in use.*Used in furniture, industrial, day-after-day transportation, equipment and equipment, workshop vans and other 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 colour of the object may be barely diverse from the pictures shown on web page brought on by many points corresponding to brightness of your video display and lightweight brightness.2. Please allow slight guide size deviation for the data.