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Six-piece metric ratcheting wrench set with 180-degree flex heads and 72-tooth gears

WUQ

WUQ 6-piece flex-head ratcheting wrench set metric 8-19 mm 72-tooth 180° rotating heads

SKU CH-RMHQ-K7DBA

Six double-box-end metric wrenches with 72-tooth gears and 180° rotating heads cover sizes 8 through 19 mm

  • TypeTest Instrument & Gauge Parts
  • Covers common metric sizes with six double-box wrenches from 8 to 19 mm
  • 72-tooth gearing needs only a 5° arc to engage fasteners quickly
  • 180° rotating flex heads reach obstructed bolts from any angle
  • Extra-long handles give 20% more leverage for higher torque in tight spots
  • 40CrV steel construction with powder coat resists corrosion for lasting durability

Metric ratcheting wrench set 8 to 19 mm

This six-piece set covers the most common metric fastener sizes from 8 mm to 19 mm. Each wrench features a double box-end design with 12-point contact for secure grip on nuts and bolts. The 40CrV steel construction with powder-coated finish provides strength and corrosion resistance for professional and home workshop use.

72-tooth gear with 5-degree arc

The fine 72-tooth ratchet mechanism requires only a 5-degree arc to engage the next tooth. This allows efficient fastening in confined spaces where a full swing is impossible. Extra-long handles measuring 20 percent longer than standard wrenches deliver increased torque and control for stubborn fasteners.

180-degree rotating flex heads

Both box ends on each wrench rotate through 180 degrees for access to obstructed fasteners at any angle. The flex-head design maintains leverage while clearing obstacles in tight engine bays or machinery. Buyers needing single-size wrenches or non-metric sizes will require a different set.

Highlights

  • Covers common metric sizes with six double-box wrenches from 8 to 19 mm
  • 72-tooth gearing needs only a 5° arc to engage fasteners quickly
  • 180° rotating flex heads reach obstructed bolts from any angle
  • Extra-long handles give 20% more leverage for higher torque in tight spots
  • 40CrV steel construction with powder coat resists corrosion for lasting durability

Specifications

TypeTest Instrument & Gauge Parts

Questions about this item

How do you install the flex-head ratcheting wrenches and what step is often missed?

Select the correct double box-end size from 8 mm through 19 mm, rotate the 180° head to the needed angle, engage the 12-point box end on the fastener, and apply force using the 5° arc of the 72-tooth gear; the step often missed is confirming the head is fully locked at the chosen angle before torquing.

What maintenance or replacement will the wrench set need later?

Periodically clean debris from the 72-tooth gear mechanism, lubricate the pivot points of the 180° rotating heads, and inspect the powder-coated finish for wear; replace any wrench if the 12-point box ends show rounding or the flex-head joint develops excessive play.

What limit appears first during sustained high-torque use?

The 5° swing arc of the 72-tooth gear requires frequent repositioning on long throws, and the 20% longer handles amplify force that can overcome the flex-head lock if the 180° rotating joint is not securely set at the chosen angle.

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