Allows you to place your standard shade on a slip uno lamp base.

This adapter comes in 2 sizes;

Interior diameter - 1 and 9/16 inches
Interior diameter - 1 and 7/16 inches

Slip Uno adapters are made to fit directly over a lamp socket. Once attached this adapter allows you to easily add a harp and standard shade with a spider fitter that fastens with a finial on top.