A Best in Show NAMM award winner, the LS7700P utilizes the proven elliptical enveloping clamp design found on u-mount series products, LS7700P adds a pair of braceless, virtually instant-mount side bars to any standard lighting stand. And unlike o-clamps, the versatile u-mount clamp is compatible with 1-1/2" and 1-3/8" pipe. With a 2" diameter, aluminum construction, and thick 4mm walls, these unique side bars are up to the task of supporting any modern LED fixture as well as conventional par cans. Sold in pairs.