Size: 1-3/8 inches in height, the screw is with dual-thread design, fit both 1/8 IP(3/8") and 1/4-27. Please measure your harp thread of lampshade before purchasing. Package includes 1 pc lamp finial cap knob with a internal screw. The screw was assembled to fit 1/4-27 . If 1/8 IP is needed, please remove the screw by tools. The lamp finial knob is made of high quality alloy, with brass finish to add antique decoration for your lamp, and with precise workmanship, premium and duarble. Easy to Install, you can easily screw the finial cap to the lamp harp after installing the lamp shade, which can help keep a lampshade in place. Ideal decoration for replacing the old finial cap for your table lamps, floor lamps and wall lamps, perfect for DIY your lamps in coffee shop, home, restaurant, office, hotel, resort, apartment, etc.
Item Name: Antique Brass Lamp Finial Cap Knob
Material: Alloy
Size: 1-3/8 inches in height
Applicable for both 1/8 IP(3/8") and 1/4-27( standard harp thread)

Package includes:
1 pc Lamp Finial with internal screw