Pro'skit HW-5907M 7Pcs Flex Head Ratchting Wrench Earth Resistance & Resistivity Tester Ideally suited to hard materials

Ideally suited to hard materials such as steel alloy 50RC

rigid stainless steel barrel provides smooth action and corrosion resistance

Gas container capacity: 6 ml

• Two handle lengths available 48" and 60"

Capacitance 4nF

Pro'skit HW-5907M 7Pcs Flex Head Ratchting Wrench Earth Resistance & Resistivity Tester Ideally suited to hard materialsFlex Head tilts up to 180 degees at any interval with Surface Drive design nearly eliminating fastener rounding Adjustable Set Screw allows you to set desired head tension with Spring Washer Design providing continuous head tension Ratcheting box end needs as little as 5 degrees to move fastener VS. 30 degrees for standard box end wrenches Serrated wrench beam allows you to feel which way to pull