Pack of 20 round plastic furniture connectors for DIY screw-in shelves, black. Notes: - Minors should only use the connector under the supervision and with the assistance of an adult. -Use the connector indoors only; it must be protected from direct sunlight. Keep it away from any source of ignition or open flame. -To ensure stable and secure connections, ensure that the round surfaces with the "Furniture" logo are all facing outwards when attaching the connectors. Product Details: - Round Surface Diameter: 3.7cm - Thickness: 2.5cm - Color: Black - Material: ABS - Weight: 10g. Scope of delivery: - 20 black plastic connectors.