The DW 9100M round seat drum throne has a full 14" round top and is made up of a special combination of foam for stability and comfort during those long hours of practice. This rugged 9000 Series throne features DW's newly designed double locking clamp, vise lock seat clamp, plus an oversized 1" base for extra stability. You can rely on DW 9000 series hardware to get you through any gig. Get the hardware at the Drum Center of Portsmouth.