Features: 100% Brand new and high quality It makes it so much more convenient to find the shutter button fast.It& 39;s very comfortable to press on the button. The button surface and edge are very smooth. The screw thread is carefully designed and tested. It fits the cameras with screw hole on the shutter release button. as for Leica M rangefinder cameras include M3 M6 MP, digital M8 M9 M9P etc.; SLR cameras as for Nikon, for Canon, for Hasselblad, for Olympus, for Minolta, for Rolleiflex, for FUJIX100 SLR cameras.. Specifications: Colors & Patterns: Green & Convexity/Black & Convexity/Silver & Convexity/Red & Convexity/Red & Flat/Golden & Flat/Black & Concave/Silver & Concave/White & Concave/Golden & Concave Material: Metal Button diameter: 11mm Package Includes: 1 x Release Button