Progressive Electronics 521 Underground Wire & Valve Locator System used The Hyla vacuum is an

The Hyla vacuum is an excellent example of German engineering

4350: 1/2" to 3/4"

Accuracy of +/- 4% meets or exceeds ASME B107

all metal keyless chuck for quick and easy bit changes

5-Inch HyperCyrstal LCD Monitor

Progressive Electronics 521 Underground Wire & Valve Locator System used The Hyla vacuum is anAdjustable transmit power allows selection of the best signal for maximum performance. High power output offers extended range and use on higher resistance wire paths other locators can't touch. The 521's receiver provides both audible and visual indications of signal strength that make locating valves, wire breaks and nicked insulation faults a breeze. Pistol style design of the receiver makes it easy to quickly locate even the longest wire path