DIMENSION: The headboard fixing parts are composed of washers and screws, washer diameter is 40mm, screw diameter is 8mm, screw length is 50mm.APPLICATION: Headboard bolts used for most divan bed headboards and sofas with screw positioning holes.EASY TO INSTALL: Find the pre-drilled holes on the bed frame or sofa. Pierce the bed frame fabric, overlap the headboard with the headboard, insert the screw into the overlap hole, and tighten the screw without any tools, which is convenient and quick.FUNCTION: The headboard fixings can help your headboard stay upright and secure the headboard firmly.PACKAGE: You will receive 4pcs headboard screws for divan beds. They are easy to install and fit perfectly. Note: The data are all measured manually, please allow 1-3cm error, due to the difference in light and display, there will be a certain color difference, the actual object received shall prevail.