Single joist ceiling adapter compatible with all standard 1.5 in. NPT interfaces weighing up to 80 lbs.. Adapter mounts to any wood joist, structural wood or structural concrete. Features Mounts to single wood joist, structural wood and concrete ceiling surfaces ( requires HE4 concrete expansion bolts) Compatible with all ceiling extensions and components that use standard 1.5 in. NPT interface Specifications Weight capacity - 80 lbs. ( 36kg) 1.5 in. NPT thread compatible - Yes ( all 1-1/2 schedule 40 11.5 NPT columns with standard 1.5 NPT interface) Mounting surface - wood joist, structural wood or structural concrete ( accessory required) Joist spacing - single joist Construction - high-grade cold rolled steel Product finish - scratch resistant epoxy powder coat Item Weight - 0.9 lbs. ( 0.4kg) Dimension - 8.8 L x 4.5 W x 2.4 H in. Color - Black
