The INNOVA Compression Tester Kit is a diagnostic tool which can help you identify damaged pistons, worn rings, burnt valves, and blown head gaskets. It works on conventional, electronic, and computerized domestic and import vehicles. It features a large 2-1/2-inch dial face with accurate Bourdon tu...

The E-Z Red hydrometer battery tester is made to stand up to tough treatment in service stations and garages. It's designed so that both customer and technician can see the state of the battery acid. This battery tester is economical; your first cost is your only cost. There are no replacement parts...

The BAT-200 Battery Tester indicates the amount of charge remaining in standard and rechargeable batteries. The analog display needle moves on a color-coded, calibrated scale to quickly identify 'good' (green), 'low' (yellow), and 'replace/recharge' (red) battery status.

Complete with standard and specialty adapters. this deluxe kit offers a complete package for compression testing on gasoline engines. Kit includes the deep well connector used on recessed plug well style heads and the new Ford Triton engine adapter using 16 mm thread plugs. Functions and Features: C...

This OEMTOOLS 6 to 24 Volt Circuit Tester is ideal for testing for shorts, grounds and open circuits. Featuring a Hi-visibility 12 Ft. heat and oil resistant coiled cord and insulated stainless steel probe, this Circuit Tester is convenient and reliable. The OEMTOOLS Circuit Tester also features a m...

Worth it's weight in gold when a 2- or 4-cycle gas engine won't start, because the first thing you need to determine is whether the problem is no-spark/ignition or fuel supply/mixture. We were fooled ONCE into using a screwdriver to make the spark jump from the cable; DON'T try that at home - it hur...

Analog Battery Tester. Tests all common batteries to determine if they are charged or need replacement. Tests from 1.5 V button cells to 22.5 V photo cells. Includes test leads for easy testing.

Part of towing responsibly is making sure your trailer lights are working properly. Whether you have just installed a new vehicle-to-trailer wiring harness or are trying to locate the cause of an electrical problem, CURT connector testers are great for testing tail lights, turn signals, brake lights...

Check for spark on gasoline engines used in import and domestic cars and trucks plus small engines.

Things seem to be running a bit slow? Still running slow after you replace the batteries? Why waste time inserting and removing battery after battery when you can just test it.Just get the battery tester to help you find useful battery! From D-FantiX √ Battery Tester Digital Battery Tester Check...

Not sure what's wrong with your network? Before you buy an expensive replacement router or cable modem, test your cables! If the wires are broken (and you know how those cables get snaked around the house) the tester will detect it. If you make your own patch cables and want to test that the wires a...

OTC Heavy-Duty Coil Cord Circuit Tester is designed for testing electrical circuits and locating shorts, grounds, and open circuits. The features include a 12 foot heavy-duty coiled cord. It checks 6 and 12 volt systems. It has an ergonomic, slim-designed, clear handle. It has a bright red, slim sty...