Adjustable Lampshade Extension, 2-1/2 - 6 inches

Quality Lamp Parts for Quality Restorations Adjustment range: 2-1/2" - 6" Top Plate: 1/4" diameter, supports shade Top Thread: 1/4-27 fits standard finial,  Base Threaded: 1/8 IP, standard 3/8" diameter lamp pipe more Shade Risers and Extensions 5-1/2"-9" Extension 1" Riser 2" Riser   The overall look of a lamp is determined by the balance between the lamp-base and lamp-shade. This Adjustable Lampshade Extension provides an easy solution for some lamps as it enables adjustable support for harp-type lamp shades. It can be added to most lamps without rewiring. Adjustment range is 2-1/2" - 6". It is used on lamps that do-not have a harp. This extension has a male base with a standard 1/8IP lamp thread. It screws into a 1/8IP threaded opening that is 3/8" diameter. It is often used with lamp-socket-clusters. Install Lamp Stem: Adjustable Lampshade Extension is most often used on top a lamp-cluster (see photo below). Base of Lampshade Extension screws into 3/8" - 1/8 IP threaded hole. If circular piece, with threaded hole, is missing  - see our adapters. These adapters are offered in 2 standard sizes: screws into 7/8" opening or screws into 1-3/16" opening Adjust height by loosening thumb screw, slide stem, up or down, to best position, tighten thumb screw to secure.  Please note: to provide maximum adjustment, the stem is tall. The bottom of the stem can be easily cut to size with hacksaw or similar tool.   Knurled threaded ring near top supports lampshade. It can be screwed up or down for additional height adjustment of lamp shade. Lamp finial screws down on top threaded rod to secure lamp shade.