This solid steel adapter has a junior 1-1/8" (28mm) outer diameter and a baby 5/8" (16mm) interior receiver. This adapter has a set-screw with a knob to secure it to any baby pin or accessory. On the top of the adapter there is a bolt that secures it to the yoke of a lighting fixture for easy mounti...

This adapter has a threaded bolt to 5/8 female socket for mounting fixtures yokes without a stud or socket. Attachment: 5/8-Inch female; color: silver; ;length: 2.99 in.; material: zinc steel; weight: 0.33 lbs.