2.5 63mm Heavy Duty Swivel Castor Wheel PU Trolley Furniture Castor M10 Screw DIY. Castor Wheel diameter 63mm Heavy bearing 60kg. High quality PU castors, sturdy and durable, no damage to the floor, no marks left behind. High quality bearing steel balls, high hardness, strong wear resistance, flexible steering, strong load-bearing, no rusting. Due to the different monitor and lighting effects, the actual item's colour may be slightly different from the colour shown in the pictures.