This is a tool-less highback mounting screw for FLUX. There are four sets in the photo, but this is a sale for one set only. The silver mounting part may be black instead of silver, but the shape is exactly the same. There are four sets in the photo, but this is a sale for one set only. The price will be adjusted for multiple purchases. The image is reused, but even if there is some wear and tear, please consider it to be a good used item in a condition that does not cause any problems in use.