LBLâ€TMs Fusion Jack System allows for the use of almost any pendant or head with monorail, monopoint, multipoint canopies and low-voltage track adapters. Simply insert any Fusion Jack element (head or pendant) into any mating female Fusion Jack port, hand-tighten the threaded collar and your installation is complete. Floating glass disc with bronze or satin nickel plated body. Includes specified low-voltage lamp and 8" of field-cuttable suspension cable. For use with 24 volt transformer, add suffix “-24" to item number. Fusion Jack canopies sold separately. Mounting options: Fusion Jack, Monopoint, Monorail, Two-Circuit Rail Finish options: bronze, satin nickel Glass Size: W 5.625", H 3.25"