The 14" x 4" round top cushion throne packs premium comfort with no-nonsense features. The wide double-braced tripod base stabilizes the playing experience, the threaded steel spindle height adjustment is easy and convenient to adjust and the included Spindle Lock provides a reliable and secure setting.Ultra-Secure Clamp MountCompared to a traditional direct-contact seat mount, the 800 Series Ultra-Secure Clamp Mount features a 2-piece locking hinge which both disperses the drummers weight evenly and offers greater stabilitySpindle LockOnce adjusted to the desired height, the spindle lock secures the spindle in place for a sturdy playing experience.Extra Large Slip-Proof FeetEnlarged and extra-durable slip-proof feet keep the throne in place on any surface.