Dual-thread: Alamic lamp finials come with a universal insert that allows for 1/8 IP (3/8") or 1/4-27 (standard harp thread). Antique brass finish, heavy and solid, very classic in style. Easy to install. Holding the lamp shade steadily and add a decorative accent to your lamp. 1-3/8 inches in height. Package included: 2x Alamic lamp finials. Package included: 2x Alamic lamp finials.