The VMP TCA-1 Truss Ceiling Adaptor lets you attach a ceiling mount to a wide variety of truss and pipe. It clamps onto rectangular truss up to 3 inches by 3 inches or round sections up to 3 inches in diameter, and it also fits standard 1.5 inch NPT pipe and every VMP ceiling mast. Built from formed steel with arc-welded construction, it supports up to 180 lbs. VMP model TCA-1 truss ceiling adaptor Works with a wide variety of truss types Accommodates rectangular cross sections up to 3 inches by 3 inches Accommodates round cross sections up to 3 inches outside diameter Fits standard 1.5 inch NPT pipe and all VMP ceiling masts Load capacity of 180 lbs Primarily formed steel with arc-welded construction Includes U-bolts for a secure clamp Cable pass throughs for clean cable management Black powder coat finish