Loudspeaker Stand. Locking pin for absolute speaker security. Rugged aluminum riser and legs. Durable polycarbonate locking knobs. Height adjustable, 50" to 77". Sturdy 40" tripod base. 150 lb. load capacity. Conveniently folds into compact, lightweight unit. Folded size: 41-1/2" 5". Product Weight: 6 lb. Industry standard 1-3/8" (35mm). mounting stud. Includes 1-1/2" (38mm) mounting adapter.