Two Tested 6SN7GTNational Union Audio Receiver Radio Vacuum Tubes Manufacturedin the USARareblack glass, gray ladder plates, two spacers, copper rods, rectangle wiregetter frames and base getter flashes.Onetube with stencil wearPlease review the photos for more detail. Excellent strong test results for Gm: 2.75 / 3.10 and 2.3 / 2.35 For Gm, 1.7 is the ~60% reject point No shorts For reference we used a Triplett 3444Atester.Estim...ateddelivery within the USA is from 3 to 7 business days.Ourstandard service is US Postal 1st class.Wecombine shipping when applicable.Please contact us with any questions