Description: brand new and high quality Features: Designed to install accessories on the side gimbal for Ronin S/SC/RS2/RSC2. The expansion mounting plate is fixed on the side with two M4 screws, designed to prevent falling, and it is easier to install. Abundant expansion ports, 5x 1/4 ports, 1x 3/8 port, 1x cold shoe port, which can be connected to accessories such as strange hands, fill lights, microphones, etc. Made of aluminum alloy, CNC machining, corrosion-resistant and rust-resistant, durable for long for time use. Lightweight design, weighs only 23g, but it is extremely light and resistant to damages. Specifications: Material: Aluminum Alloy Weight: 23g Size: Approx. 45x36x7 mm/1.77x1.42x0.28 inch Applicable Model: for Ronin S/SC/RS2/RSC2 Process: CNC Machining Note: Please allow 1-2cm errors due to manual measurement,pls make sure that you do not mind before you mind. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Package Includes: 1 Piece Expansion Board 2 Pieces M4 Screws 1 Piece L-wrench