Name: Pure copper camera shutter button; Size: diameter 11.5mm Color: bright red, silver, matte black, matte gold, bright black, bright gold. Style: knurling design, concave touch surface, artificial design principle of hand belly, beautiful and comfortable touch. Process: All colors are painted Features: Embellishes the camera to enhance the comfortable feel at the moment of pressing the shutter. Material: pure copper Package Contents: 6 * Shutter Release Button (1 each in bright red/silver/matte black/matt gold/glossy black/bright gold) 6 * rings Only the above package content, other products are not included. Note: Light reflection 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.