1、Made of high quality aluminium alloy, the aluminum models have been color anodized, then the raised portions buffed to a high polish for a striking effect. 2、Helps to minimize delicate vibration when you 3、The buttons surface and edge are very smooth, very comfortable to press on the button 4、​The screw thread is carefully designed and tested 5、It fits the cameras with screw hole on the shutter release button Description: Our shutter button is made of high quality aluminium alloy, the aluminum models have been color anodized, then the raised portions buffed to a high polish for a striking effect. The buttons surface and edge are very smooth, very comfortable to press on the button. The screw thread is carefully designed and tested. It fits the cameras with screw hole on the shutter release button. It fits for Leica, for Rolleiflex, for Fuji X100, X100S, X10, X20, for Nikon, for Sony, for Canon and so on. Hope you will enjoy your shooting. Features: 1. Made of high quality aluminium alloy, the aluminum models have been color anodized, then the raised portions buffed to a high polish for a striking effect. 2. Helps to minimize delicate vibration when you "Click" the shutter for a shooting. 3. The buttons surface and edge are very smooth, very comfortable to press on the button. 4. The screw thread is carefully designed and tested. 5. It fits the cameras with screw hole on the shutter release button. Specification: Material: Aluminium Alloy Color: Black, Silver, Red (optional) Weight: approx. 1g Diameter: approx. 1cm / 0.39" Height: approx. 0.5cm / 0.19" Quantity: 1pcs Package Included: 1 x Shutter Button Note: 1. Please allow 1-3mm error due to manual measurement. Thanks for your understanding. 2. Monitors are not calibrated same, item color displayed in photos may be showing slightly different from the real object. Please in kind prevail.