Crafted from glass and steel with either a burnished brass or bronze finish. 51 Chandelier uses four 60-watt E12 bulbs (not included). 63 Chandelier uses nine 60-watt E12 bulbs (not included). 72 Chandelier uses 17 60-watt E12 bulbs (not included). We recommend our LED B11 Candelabra E12 Bulb (6610071B134). 51 Chandelier has an adjustable drop length that ranges from 22.5 – 160.75. 63 Chandelier has an adjustable drop length that ranges from 31 – 169. 72 Chandelier has an adjustable drop length that ranges from 31.25 – 169.5. Can be mounted on a vaulted ceiling. Includes 24 interchangeable rods for hanging: eight each 6, 12, and 18. Black and white PVC and copper cord measures 150 long. Hardwired; professional installation required. Mounting hardware included. Chandeliers weighing more than 50 lbs. cannot be mounted alone to a standard outlet box and require additional bracing above the ceiling where they are to be installed. Professional installation is required. ETL Certified Dry. In order to protect the glass elements in this collection, some assembly upon delivery to your home will be required.