A. Size: For the iron part, it's about 55mm x 44mm (2.2 inches x 1.7 inches in length * width). The maximum extension length is around 135mm (5.3 inches). The distance between the two holes is approximately 40mm (1.6 inches). The thickness of the iron sheet is about 3mm. B. Material: It has rust-resistant properties and is relatively sturdy and durable. C. Sofa connectors consist of two parts, which are connected by a triple - cornered shape nail. The toothed part can be extended and tightened, and it can be stretched to a sufficient length for you to adjust and place the sofa as needed. D. This sofa connector can be used to connect and adjust furniture in various positions and angles. It can also be hidden under the couch by changing the angle when not in use. E. It is suitable for fixing different - style combination sofas. It is advisable to ensure that the connection surface at the bottom of your sofa is not less than 2 inches wide. F. Colour: Silver + black. Material: Iron. G. Package Contents: 4 sectional connectors. Only the above - mentioned items are included in the package, and other products are not part of it. H. Note: Due to lighting and different displays, the color of the item in the picture may be slightly different from the actual one. The measurement error is allowed to be around +/- 1 - 3cm. The products are from LUOLV's store.