The Dirt Killer repair kit replaces all of the internal parts of the Dirt Killer nozzle making the nozzle like new. Installation of the repair kit is simple any only requires a wrench to open up the nozzle body. Repair of the nozzle only takes five minutes.Features. Makes the Dirt Killer nozzle like new. Takes five minutes to install. Size - 3.5. Dimension - 1.9 x .7 x .7 in.. Item Weight - 0.1 lbs.