1/4 ip, brass finish, screw collar loop kit, used to mount light fixtures to junction box, requires a canopy with 1-1/16″ center hole, includes 1 each of the following: 4″ 1/4 ip flat crossbar, screw collar loop, 1/4 ip lock nut, 3/8 ip lock nut, 1/4 ip x 3/8 ip hickey, 1/4 ip x 1-1/2″ nipple & 2 each 8-32 x 1/2″ mounting screws.