Made of high grade material for a long time and durable use. It has a simple design, but very practical in use, giving you a good using experience. It can be matched with many crossbars, and the angle can be adjusted flexibly. Features -Color: Black -Material:ABS, iron -Size: 10.00X5.00X5.00cm/ 3.93X1.97X1.97in- Note:Suitable for aperture 19mm-Using high-grade ABS and iron material, durable, which is safe and reliable, and reusable.- With compact size, portable and lightweight, making this buckle easy to carry and use.- Not only the material is good, the surface is smooth, but also easy to maintain and use.- Suitable for stage performance, through which you can adjust the height of the support according to your needs.- It's very simple to use, the effect is good, and the installation is very convenient. Package list:2 x buckle