The Tube Tester Fuse and Bulb Set (4-pack) is designed for use with Hickok Tube Testers, including models 600, 600A, 752, 752A, 800, 800A, 6000, TV 7, and others.
The set includes four bulbs in total, with two #49 Fuse Lamps and two #81 Fuse Lamps, which are the exact type as the originals.
The specifications of the bulbs are 2 volt / .06 Amp for the #49 Fuse Lamps, and 6.5 Volt, 1.02 Amp…