Gage Assembly Co. 1.4755 1.4713 GO NO GO Set Plug Threaded Gage 1 1/2-28 UN-2A. Gage Assembly Co set plug threaded gage is preowned but in great condition. Some light marks and scuffs may occur on the surface. Threads are completely intact with no abnormal chips or flaws along edges and ends. Protective wax was removed for the photos in this listing only. Oil and/or wax pieces may occur on the threads in my photos. Item shipped through USPS. Please contact me if any flaws or mistakes arise; I will be happy to help. Also, please view photos for the best description of condition and specs. Overall the item is in great condition. Free shipping only to the lower 48 states. Feel free to contact me with any questions concerning an item. Refunds and returns do occur and will be treated fairly as possible.