Features:*Heavy responsibility steel plate, Large load capacity, Allow for 360 degree rotation, Movement no voice, no wheel marks.*Replacement in your outdated and damaged castors.*Easy to install, in use.*Used in furniture, industrial, every single day transportation, machinery and equipment, workshop vehicles and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 real coloration of the article may be slightly diverse from the photographs proven on web page caused by many factors reminiscent of brightness of your display screen and light brightness.2. Please allow slight guide size deviation for the data.