Vortex-DigJet hydroexcavation nozzles from Nozzle Dynamics are designed for locating buried utilities. The swirling action of the fluid from the nozzle creates a drilling action into the ground that never stops, even if the nozzle hits into the ground. It offers pressures up to 5,000 psi and flows from 5 to 14 gpm. It has Jet Intensification Technology, with a compact, lightweight design that has predictable wear and a long tool life. There are no seals to replace or rebuild. 833-669-9537; www.nozzledyne.com