Lamp Shade Spider Duplex Adaptor 29mm Hole 3906873
This shade spider is designed to reduce the hole of your shade from approx. 110mm to 29mm
Simply rest the shade onto the spider and hold the spider onto the lampholder using a couple of shade rings.
29mm lampholder are generally Bayonet Cap | B22 | BC Lampholders.
Internal Hole: 29mm
Shade Hole Max Diameter: 110mm Approx.