Be quick these are already below cost plus you buy one you get 2 units! The SP Tools Circuit Tester is ideal for testing any circuit within the 6/12 volt range, complete with indicator lamp and plastic handle, this is the ideal complement to any mechanics toolkit.
FEATURES
Two tests in one
White light low voltage
Red light high voltage
Extra long 1200mm lead (1.2m)
Checks 6-12 volt system and spark plug test
Voltage check on secondary or high voltage circuits