60 PCS M8 20mm Adjustable Support Plastic Chassis Metal Screw Furniture Mat (40mm)

1. Adjustable thread design, suitable for office or household light furniture with threaded socket.
2. Allow furniture to move without unnecessary movement.
3. Easy to install, height can be adjusted according to needs.
4. Bottom of circular anti-skid pad.
5. Materials: plastic and metal
6. Screw type: fixed