When a load is put onto a piece of furniture, the rolling ball retracts into the socket and furniture stands directly and firmly on the floor. When the load is taken off the furniture, the spring pushes the rolling ball out and the furniture can be moved.
- Size: 38.5mm x 71mm
- Rolling Star with Spring, (retractable).
- A solid design, suitable for heavy upholstery
- Spring is fixed at:
- 14 kg (31 lbs.)
- Material: Case: POM; Ball: PP Spring: steel, galvanized