Free-Shipping orders over $99 to contiguous U.S. $6.95 shipping orders less than $99 to contiguous U.S.
Replacement Lamp Part
1/8 IP Top
1/4 IP Bottom
Brass Lamp Necks - Couplings are threaded differently at each end. One end screws onto 1/8 IP the other end screws on to 1/4 IP. Very useful when joining these two commonly used lamp thread sizes. Solid Brass
Common Lamp Thread Sizes
1/8 IP - 3/8" outside diameter, screws into most lamp sockets