The DW 9000 Series Round Top Throne has a full 14-inch round seat, made of a special combination of foam for stability and comfort. It also features DW’s newly designed Double Locking Clamp to keep the tripod solidly in placed, a Vise Lock Seat Clamp to keep the seat married to its legs, and an oversized base for added stability. DW: The Drummer’s Choice. Minimum Height: 20" [51 cm] Maximum Height: 27.5" [70 cm] ***This item may ship direct from the manufacturer. Please contact us for estimated delivery if needed.***