Extension Column Color Black Finish Powder Coated Overall Load Capacity 500 lb Material Aluminum Overall Width 3 in Mounting Location Ceiling Overall Depth 3 in Includes Mounting Hardware Yes Features Notched Design for Adjustment Without Disassembly Provides Height Adjustment In 1 in Increments Includes Adjuster Manufacturers Warranty Length 5 yr Maximum Extension 9 in Product Type Extension Column Standards RoHS Compliant UL Listed