The SP-282BK deluxe aluminum speaker stands incorporate our “Easy Lift” pneumatic height adjustment devices that allow you to raise your speaker cabinets effortlessly.  The superior air-cushion design gently and safely lowers speaker cabinets eliminating sudden drops that can damage your speakers or cabinets.  There is also non strip out height adjustment collar and solid, robust polycarbonate leg joints with nylon block tightening clamps that provide strength and stability.  The height adjustment collar houses a strong tightening knob to eliminate wobbling, and a self engaging steel safety pin for added security.  Simply press the collar lever to disengage the pin and free the shaft.  The sleek, modern designed rubber feet will hold speaker stand firmly in place, and they come supplied with 38 mm (1-1/2”) add-on top plastic caps that allows the stands to accommodate different standard speaker mounting seats.