• Built to handle the toughest O2 and NOX sensors
  • Save time with our patented ratcheting flare nut technology
  • Stop rounding and ruining fasteners, and save money
  • Flex-head design gets you into the tightest spots
  • Lifetime Warranty – Buy it once, use it for a lifetime!

7/8 O2/NOX Sensor Wrench

$119.00Price