Brand Features: Made from premium aluminum alloy material, with a smooth button surface and edges. Comfortable to press, providing an improved shutter release experience. Polished and enamel painted finish, available in multiple attractive colors. Screw thread is precisely designed and tested to fit cameras with a threaded shutter release button. Compatible with Leica M rangefinder cameras including film models M3, M6, MP, and digital models M8, M9, M9P; also suitable for various SLR cameras from brands such as Hasselblad, Olympus, Minolta, Rolleiflex, and Fuji X100 series. Shutter release button only—other accessories shown in images are not included. Specifications: Material: Aluminum Alloy Type: Accessory Colors: Red, Black, Silver, Gold Size: One size Diameter: 10mm / 0.39in Quantity: 1 Set Notes: No retail packaging. Allow 0–1 cm variation due to manual measurement. Please consider this before purchasing. Due to differences in monitor displays, the actual product color may vary slightly from the image. Package includes: 1 x Red Screw 1 x Black Screw 1 x Silver Screw 1 x Gold Screw