General utility pendant lamp shades used in the kitchen, bath on fan light and desk lamps. The standard 2 1/4 inch fitters measure approximately 2 inches in diameter. Often new lighting will have a neck less shade that attaches with a ring from the inside. Shade with a lip fitter which originally attached wiht thumb screw can be used to replace these neck less shade and the fitter will fit into the fixture and allow the the interior screw to be used.