Featuring two high quality speaker stands and a carrying bag, the K&M 21451 Safe Lock speaker stand package is an incredible deal. Each stand can hold up to 77 lbs on its lightweight aluminum square tube frame. The safe lock clamp system with push button height positioning promises stable support for your loudspeaker. Precision built for smooth operation, the Safe Lock Stand adjusts fromrom 49.212 to 73.622 inches in height and fits 1-3/8 inch speaker mounts (1-1/2 inch with supplied adapter).