1. Increase the grip height to improve the hand grip comfort, increased the height of the camera, so that the small thumb no longer leakage. 2. Multi-functional side plate removable and stretchable side plate can be removed, can also be stretched to 25mm, adjust more convenient. 3. Comes with a cold shoe to meet a variety of scenarios comes with a cold shoe port, can be connected to an external microphone or fill light. 4. The bottom of the battery compartment does not block the battery compartment, you can replace the battery without removing the bracket. 5. Reserved for more expansion options. Use models:for A7R3, A7M3 Due to different batches, there may be differences in product appearance and printed text, which not affect use. Colour:Black Material:Aluminum Alloy Package Contents: 1 * Quick Release Plate Only the above package content, other products are not included. Note: Light reflection 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.