This is for a used Manfrotto MVH502A head. It has a 75mm ball bottom I don't think you can take the ball off? It has marks and scratches and scuffs from use but it works fine. Also included is a quick release plate...I can't remember what brand though. The item "Manfrotto MVH502A Pro Video Head with 75mm Half-Ball + EXTRA quick release plate" is in sale since Friday, April 12, 2019. This item is in the category "Cameras & Photo\Tripods & Supports\Tripod Heads". The seller is "mnmusic" and is located in Saint Peter, Minnesota. This item can be shipped to United States.