ITEM NAME:4PCS 10 mm Diameter Concave Metal Soft Shutter Release Button for Leica M R E2L6 4PCS 10 mm Diameter Concave Metal Soft Shutter Release Button for Leica M R E2L6 It's very comfortable to press on the button. The button surface and edge are very smooth. It's polished and enamel painted. The screw thread is carefully designed and tested. It fits the cameras with screw hole on the shutter release button such as Leica M rangefinder cameras include film M3 M6 MP, digital M8 M9 M9P etc.; SLR cameras like most for Nikon, for , for Hasselblad, for Olympus, for Minolta, for Rolleiflex, for Fuji X100 SLR cameras. Material:aluminum Color:Silver, Black, Gold and Red Shape:Concave Size:10mm (diameter) Package Contains:4pcs Concave Release Button Note: Light shooting 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..Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The screw thread is carefully designed and tested.