Features: Accurately compatibility with models such as for VCT668, ST666, 690, and compatibility with mainstream tripod gimbals such as for 3530, 3540, 3570 and more. The bottom dimensions of 35x35mm and 43x43mm are compatibility with the interfaces and can be installed directly without the need for an adapter. Equipped with anti slip rubber pad, paired with 1/4 inch standard screws to fix the camera, with a load-bearing capacity of 6-10kg, to avoid slipping and bumping during photography. Adopting a trapezoidal quick installation structure, the device can be locked by aligning with the pan tilt card slot with just single button. Pressing the unlock button can quickly remove the device, and switching between horizontal and vertical photography or replacing the device only takes a few seconds, greatly improving photography efficiency. Durability ABS engineering plastic, lightweight but resistant to shock and wear, can be used for a long time. Specifications: Component: ABS Color: Gray Black Type: 35mm, 43mm(optional) Size: approx. 3.5x3.5cm/1.38x1.38inch, 4.3x4.3cm/1.7x1.7inch Package Includes: 1 Piece Tripod Quick Release Plate note: Other accessories demoed in the pictures is not included. Please allow 1-2cm errors due to manual measurement. Please allow for slight color differences due to different display resolution.