Features: This Soft Release Button for all the Camera with the tapered thread mouth The button is made of aluminum alloy. It's polished and enamel painted. It'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 Such for Leica for M rangefinder cameras include film M3 M6 MP, digital M8 M9 M9P etc.; SLR cameras like most For Nikon,For Canon,For Hasselblad, For Olympus,For Minolta,For Rolleiflex,For FUJIX100 SLR cameras.. Specification: The auction is for ONE Small size soft shutter release button only. Diameter: 11mm Color: Black, Red, Silver, Gold Size: Small (S) Shape: Concave Quantity: 1 PC Note: 1. Cameras, lenses and other accessories in pictures are for demonstration. 2. Due to the different monitor and light effect, the actual color of the item might be slightly different from the color showed on the pictures. Thank you! 3. Please allow 1-2mm measuring deviation due to manual measurement. Package includes (No Retail Package) : 1 x 11mm Concave Soft Shutter Release Button