The ADJ O Slim 2 Pearl (White in color) Clamp is designed to fit in-between the V shaped truss braces where larger size clamps will not fit. It can also be used like a traditional ADJ O-Clamp to hang smaller fixtures under 28 lbs./13 kg. The O Slim 2 like the ADJ O-Clamp wraps around the entire 2-inch truss pipe to avoid scuffing scratching and denting of truss. Slim O-Clamps for 2 Truss. Slim design makes it easier for mounting the perfect position on truss. Fits in-between the diagonal truss braces. 360 degree clamp that wraps around truss tubing. Non scuffing - Non scratching - Non scoring - Non denting. Works great for the ADJ LTS-1 LTS-2 and LTS-30 lighting stands. Weight limit: 28 lbs./13 kg.