iFootage website for further details: https://www.ifootagegear.com/
On Amazon USA:
https://www.amazon.com/dp/B0D67RWPKL?...
The Quick Release Q38 Series of quick release plates are not only quick and convenient but are heavy duty.
They are seamlessly compatible with your gimbals, tripods, sliders, monopods and camera rigs.
The three plates of the Q38 Series available are the: Basic, RS, and RS mini.

The Gimbal plate, Q38 RS takes interchanging mounting plates to the next level by allowing you to replace both the bottom and square plate of the DJI RS3/3Pro -RS4/4Pro altogether in one package. This ensures a clutter-free set up achieving maximum efficiency. It also comes with a built-in calibration ruler on the side for precise adjustments during balancing.

The Basic plate allows multiple opportunities to replace conventional quick release plates with a new robust and hassle free solution for tripods, monopods, gimbals and sliders. You can even use them to allow quick swap out of lights and microphones etc.

The system is made from aluminium alloy and weight/size as follows:

Basic Plate: 57 x 42 x 16mm Weight 57gram

Q38 RS Mini: 57 x 42 x 25mm Weight 78gram

Q38 RS: 133 x 50 x 24mm Weight 111gram