Thexton 117 Charg-Chek Battery Tester. Professional disc-type. Accurate down to -40° F. Full size specific gravity tester is accurate, easy to use in all temperatures. Number of floating discs show state of charge. Specific gravity levels are printed on the tough, see-through plastic body. Has one-piece rubber bulb, neoprene tip.
ESTABLISHED IN 1907.
Designers, Manufacturers, and Suppliers of Innovative and Hard-to-Find Automotive Tools, Testers, and
Diagnostic Equipment for the Professional Automotive Technician.