✔ PERFECT SIZE: Lamp finials are threaded 1/4-27 to fit standard lamp harps. Finial Dimensions: 2.5 x 1.63 (Height x Width) ✔ FUNCTIONAL: Give your home that sense of timeless elegance while knowing your finial will firmly secure onto a standard table or floor lamp. ✔ STYLISH LOOK: Our traditional design is perfect for almost any style décor ✔ EASY TO USE: Easy to install, screws onto the lamp harp after installing the lamp shade. Finish the look of your lamp and add a touch of style with Royal Designs' Finials. Whether you desire a simple and inexpensive update, or are restoring an antique lamp, Royal Designs finials provide that finishing touch. Finial finishes come with a protective lacquer coating which protects the finials against discoloration and tarnishing and will not require polishing. All RDI finials are female threaded individually to fit standard harps.