[Product Features]: Cooperate with the camera, it is easier to grasp and stable, the thumb is specially designed for the camera to provide a more comfortable grasping feeling to the balance and safety of the camera.All-metal material, light weight, CNC precision machining, surface anode anti-oxidation treatment.You can securely grip the camera and hold it in any position with the Thumb.Provides a better balance and grip for the camera.Small and light.[Applicable camera]: Compatible with Big M M9/M9P M8 M-E 240 M240P M-P ME M9-P Q M-M246 cameratype:BColour:blackMaterial:Aluminum alloySize:60 x 22 x 18MMPackage Contents:1 x Thumb GripOnly the above package content, other products are not included.Note: Light 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.