new and high quality:High Wear-resistant and excellent durabilitySuitable for sports cameras, cateye GACIRON, car headlights, suitable for most headlights availableThe fixed aperture of the lamp holder is 6.1mm, and the outer diameter of the screw is within 6mm.Note: Bicycle front forks can also be used, but you need to find the matching screws yourself (Because there is no specific size for the various types of front forks, it is not convenient for us to match the corresponding screws)Product Name: Aluminum Alloy Light Frame/Highway/Folding Car Light Framecolour: goldMaterial: aluminum alloyPackage Contents:1 x lamp holder1 x wrenchOnly the above package content, other products are not included.Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.