The On-Stage Conductor Stand with Folding Tripod Base SM7211B is a revolutionary stand that incorporates all of the features demanded by today's orchestra musician, including a folding, tripod base for convenient storage and travel. The angle-adjustment, tension knob makes for easy removal from the upper shaft. The stand also features high-impact, plastic, leg housing, friction-locking knobs, leg-support straps, and non-slip rubber feet. The bookplate is 13-1/2 x 19" with a 2" return lip and a tension-locking knob to adjust its angle. A mid-point clutch allows the height of the stand to be adjusted from 24" to 45".