Block Tester BT-500 Head Gasket Combustion Leak Test Kit universal, Black309
Block Tester BT-500 Combustion Leak Test Kit. Complete Combustion Leak Test Kit – Includes Fluid – Nothing More to Buy. When Fluid Turns From BLUE to YELLOW Combustion Leak is Present.
Short Pro Tool – 24 VAC Circuit Finder Quickly Locate Black and Red
24 VAC Circuit Short Finder: The crocodile clip allows for quick identification of short circuits in the 24 VAC Circuit ，The red LED is on, indicating a short circuit in the circuit; The red LED is turned off and the circuit short circuit is eliminated.