Truss ceiling adapter compatible with all standard 1.5 in. NPT interfaces weighing up to 400 lbs.. Adapter mounts to any round square or retangular truss and ibeams up to in(76mm) wide by 3.5”(89mm) high using heavy duty 10mm U-bolts.Features Attaches to round square or rectangular trusses up to 3 in. wide and 3 ½ in high Heavy duty 10mm U-bolts Compatible with all ceiling extensions and components that use standard 1.5 in. NPT interfaceSpecifications Weight capacity - 400 lbs. (181kg) 1.5 in. NPT thread compatible - Yes (all 1-1/2 in schedule 40 11.5 NPT columns with standard 1.5 in. NPT interface) Mounting surface - round truss 0.75 in (19mm) to 3 in(76mm) in diameter square or rectangular truss and ibeams up to 3 in(76mm) wide x 3.5”(89mm) high Construction - high-grade cold rolled steel Product finish - scratch resistant epoxy powder coat Item Weight - 2 lbs. (0.9kg) Dimension - 6.9 L x 5.7 W x 2 H in. Color - Black - SKU: CMSN063