The CAMVATE slide-in quick release plate is designed to work with a Manfrotto adapter plate, it has both 1/4"-20 & 3/8"-16 stud for mounting onto your camera. It features non-slip rubber washers to help avoid abrasion between the plate and camera bottom, meanwhile keep your camera properly aligned on the plate. It is used as a replacement plate or as an additional plate to enable easy and fast swapping between camera's different quick release mounts. Made of high quality aluminum alloy material and durable in use.