... ,different fittings available, 4.Good quality 1.Product specifications:1.Furniture casters,Load capacity: 20~25kg per caster 2.Wheel diameter:40 ... ,pressed steel,zinc plated4.Chrome, zinc or nickel plating available 5.Matches with different fittings such as swivel, fixed ,double brake ... this industry in 2001. All of our products go through 5,000 brake test and load capacity test conforms to the ...