The K&M 21439 Speaker stand »Easy Lock« Black features a patented expanding mandrel system with quick-release fastener for secure speaker cabinet attachment. It incorporates plastic expansion splints ensuring vibration-free connection between speaker cabinet and tube. The steel construction offers height adjustment from 1.417 to 2.117 meters, secured with a locking screw and safety hook. With a 3-piece folding tube leg design featuring cross braces and 115 cm base diameter, it provides excellent stability. The stand supports up to 50 kg maximum load capacity under centric loading conditions. Additional features include a pull-out guard for the extension tube, integrated shock absorber, and durable powder coating for longevity.