The Mitchell Low-Hat is 1 3/4" tall. Accepts all Fluid and Gear Heads that terminate with a standard Mitchell 3" thread. Each of the 3 legs have mounting holes to secure the Low-Hat to a mounting board or plate. This low-hat has 3- key ways to facilitate use. The hi hat comes mounted on a hi hat board that has cut corners (octagon shape) in order to fit into tighter spaces. Low Hat also available without board.