Product Name: Sofa Connector Hole Diameter: 5mm / 0.2 inch It can help to prevent your furniture from moving. The sofa sections can easily be separated when needed. Easy to Install Color: Silver Tone; Overall Size: 53 x 30mm / 2.1 inch x 1.2 inch (L x W) Material: Stainless Steel; Net Weight: 603g Package Contents: 30pcs x Sofa Connectors Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in a little different from the real thing. The measurement allowed error is +/- 1-3 cm.