1.Applications: Sewing Machines supermarket, display racks, handcart,general usage in market or industrial, etc. 2.Assorted colors can be white on black or grey on black. 3.Threaded stem type with size available in M12*25 Furniture Caster Material Wheel Center:PP Tyre: PVC,pu Type: Single Wheel Caster Load Capacity:50kg Wheel Diameter:65mm Brake: Caster with Brake