The NEW Pro S-2000HD HEAVY DUTY™ has been newly redesigned, it's user friendly and easy to use. It was developed for the heavy duty market as well as agricultural, mining, industrial, engineering, and much more. Full testing capabilities from the airbox all the way through to the exhaust system. Cabin vent testing which is crucial to find leaks of CO2 emissions that can be hazardous to the driver. Included is an accessory case containing all the tools you'll need: two newly redesigned Bladder Blockers™, detachable 16.25 ft battery cable & 16.25 ft air/smoke hose, LED flash light, halo, radiator plug adapters and air chuck connector.