The TP-8647 EZ-Ject Fluid Kit makes it easy for technicians to find all fluid leaks the first time. The kit features the award-winning Optimax Jr., a mini blue light LED leak detection flashlight as well as an EZ-Ject A/C dye injector with hose and couplers, an EZ-Ject universal dye cartridge with Fluoro-Lite dye that services up to 14 units, a 1-ounce bottle of Dye-Lite All-In-One oil dye that services up to two units, a 1-ounce bottle of Dye-Lite coolant/auto body leak dye and fluorescence-enhancing glasses.