The ADJ O Slim 1.5 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, it wraps around the entire 1.5-inch or 2-inch truss pipe to avoid scuffing, scratching and denting of truss.