Tracer Products' Heavy Duty Kit, No. TP-8647HD, comes as a special leak detection kit that makes it easy for heavy-duty technicians to find all air conditioning and fluid leaks. The kit features a cordless, blue light LED leak detection flashlight; an EZ-Ject A/C dye injector with hose/coupler and adapter/purge fittings; two EZ-Ject universal A/C dye cartridges with co-solvent free Fluoro-Litedyes that can service up to 14 vehicles; an 8 oz bottle of Dye-Lite concentrated oil dye that services up to 16 vehicles; an 8 oz bottle of Dye-Lite coolant dye that services up to eight vehicles; and fluorescence-enhancing glasses.