4"d, brass finish, glass shade holder, use to install a new light fixture, 250v rated, for use with a medium base bulb, 60w maximum, holds a glass fitter shade, not included, which is held in place by tightening the fitter screws, includes 1 each of the following: glass shade holder with 18 awg pre-wired 6" insulated leads, ground wire & insulation, 4" offset crossbar & grounding screw, 2 each of the following: 8-32 x 1/2" mounting screws, 8-32 x 2" mounting screws & 3 each knurled screws.