Beckett Parts 52082U GeniSys Contractor Tool, 5 VDC, 25 mA

Allanson Chek-Mate SC-2100 Transformer/Ignitor Tester for use with 2-Pole Fast, portable, dependable way to instantly test transformers and electronic ignitors Chek-Mate by allanson is easy to use and makes service calls a breeze. Simply touch the high voltage spheres to the high voltage contacts of any brand of transformer or ignitor and the green LED lights up if the unit is good. Lightweight, compact and durable, Chek-Mate is also very affordable.,
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Allanson SC-2100

Sid Harvey T389 Transformer Tester W/Case,

Mitco Wet Roto Switch Revolution

Mitco E397-007M