This is a set of 1 + 1 concave + convex Simply screw the button into the screw of the shutter release button and enjoy a smooth and stable shutter release operation. In addition, the shutter release button can decorate your camera and make it more stylish and elegant. Made of pure copper, you can feel its smooth and soft surface every time you take a photo. We offer a set of 7 colors. Includes 2 rubber rings and rubber rings for use when mounting to Fujifilm cameras. The rubber ring is primarily used for Fujifilm X series cameras, not for RX1 series cameras. Some compatible models: Except for the Sony RX1 series, if you use other cameras (primarily FujifilmX series cameras), please use it with a rubber ring. Fujifilm X100VI / X-T4 / X-T3 / X-T2 X-Pro1 / X-Pro2 X-T30 / X-T20 / X-T10 X-E4 / X-E3 / X-E2S / X30 / X20 / X10 X100V / X100S / X100 100T / X100F Specification Net Weight: 0.08 oz (2 g) Size: 0.4 x 0.2 x 0.2 inches (10 x 10 x 5 mm) Package Includes: 2 x Soft Release Shutter Buttons (concave + convex )