1. Size: iron: 55mm x 44mm / 2.2 inch x 1.7 inch (L * W); Maximum extension length: 135mm/5.3 inch; Distance between 2 holes: 40mm /1.6 inch; The thickness of the iron sheet: 3mm 2. Material: rust-resistant, sturdy and durable 3. Sofa connectors consist of two parts, connected by a triple-cornered shape nail; the toothed part can be extended and tightened, allowing you to adjust and position the sofa freely. 4. This sofa connector can be utilized to connect and adjust furniture at various positions and angles. It can also be hidden under the couch by altering the angle when not in use. 5. Suitable for securing different styles of combination sofas; please ensure that the connection surface of your sofa's bottom is at least 2 inches wide. Color: Silver + black Material: iron Package Contents: 4 * Sectional Connectors. Only the above package content; other products are not included. Note: Light and differing displays may cause the item's color in the picture to differ slightly from the actual product. The allowable measurement error is +/- 1-3cm.