This vintage nickel plated Singer work light is perfect for treadle or hand crank machines. It only takes seconds to mount to your machine and comes with a 71" power cord. It easily mounts to any machine with the circular shaped access cover on the reverse side, this includes the model 15, 27, 66, 115 and 127. Just remove your rear access cover and use the existing thumb screw to mount the light bracket, you can even re-install the decorative access cover over top of the bracket as shown. Newly re-wired and comes with a new LED light bulb. The nickel plating is bright with minor signs of age.