Many times you can visually see that a capacitor is bad, but sometimes you need the help of capacitor tester. That is why we are offer this real nice Supco Digital Capacitor tester with carrying case for $82.00. This capacitor tester has a digital read out and tests capacitors from .01 to 10,000 MFD. Please email us anytime if you have questions. Our email address is: firstname.lastname@example.orgWe would love to Help You Out and Earn Your Business!