Set of 4 white adhesive casters for easy installation, with a load capacity of approximately 30kg. (Purchased for a list price of 1,040 yen + 400 yen shipping.) These are stick-on casters that allow you to make shelves, such as those in color boxes, movable. There is one set of 4 brand new casters, and if you need them, I will also include the following for an additional 500 yen. * Opened and partially tape-cut (not yet applied) - see photos 7 and 8. - Quantity: 4 - Load Capacity: Approximately 30kg - Type: Adhesive Casters - Color: White - Brand Name: Needs Co., Ltd. Thank you for looking.