You are looking at a brand NEW fuel pressure gauge!- 0-15 lbs - 1-1/2 inch diameterThis gauge adapts to 1/8" NPT threads.For carbureted engines ONLY - does NOT suit fuel injection.Thanks for looking and don't forget to check out all of our Restoration Essentials in our store. Your parcel will have a unique tracking number which will be sent to you via email on dispatch so you can keep an eye on your delivery.