B-Stock, Pearl D-2500 Drum Throne, Roadster Series, Motorcycle-Type Seat, Height: 495-665mm, Features: Bracket: Exclusive LOCK / SPIN seat bracket, Collar: A Reversible StopLock allows you to LOCK the cushion or allow it to SPIN depending on your preference. High Density Foam Cushions: Ideal hardness for optimum support, Sure Struts: Double braced struts on the tripod offer the ultimate in structural integrity to prevent lateral wobble and the inherent squeaks that may result from it, Large Rubber Feet: Provides improved stability and plenty of "tred" for long life,, B-Stock with full warranty, may have slight traces of use