Studio view of the 10-piece metric crowfoot wrench set arranged by size from 10mm to 19mm on a white background.
Studio shot of the complete 10-piece GearWrench Metric Crowfoot Wrench set arranged in two rows, showing the open end and 3/8 inch square drive opening.
Angled view of a single chrome GearWrench crowfoot wrench showing the thickness of the jaws and the square drive receptacle.
Top-down view of a single GearWrench crowfoot wrench highlighting the polished chrome finish and the open-end jaw profile.
Angled close-up of the square drive opening on a GearWrench crowfoot wrench, showing the detent recesses for secure attachment to extension bars.
Graphic illustrating the use of a GearWrench crowfoot wrench with an extension bar inserted into the square drive hole, with a "ghosted" view showing rotation.
Front view of the GearWrench 10-piece SAE Crowfoot Wrench set retail box with a graphic of a single wrench and feature icons.
Studio view of the 10-piece metric crowfoot wrench set arranged by size from 10mm to 19mm on a white background.
Close-up of a mechanic using a chrome GearWrench crowfoot wrench attached to an extension bar to loosen a nut in a crowded engine bay.
Close-up of a chrome tool on a metallic surface with red background
Studio view of the 10-piece metric crowfoot wrench set arranged by size from 10mm to 19mm on a white background.
Studio shot of the complete 10-piece GearWrench Metric Crowfoot Wrench set arranged in two rows, showing the open end and 3/8 inch square drive opening.
Angled view of a single chrome GearWrench crowfoot wrench showing the thickness of the jaws and the square drive receptacle.
Top-down view of a single GearWrench crowfoot wrench highlighting the polished chrome finish and the open-end jaw profile.
Angled close-up of the square drive opening on a GearWrench crowfoot wrench, showing the detent recesses for secure attachment to extension bars.
Graphic illustrating the use of a GearWrench crowfoot wrench with an extension bar inserted into the square drive hole, with a "ghosted" view showing rotation.
Front view of the GearWrench 10-piece SAE Crowfoot Wrench set retail box with a graphic of a single wrench and feature icons.
Studio view of the 10-piece metric crowfoot wrench set arranged by size from 10mm to 19mm on a white background.
Close-up of a mechanic using a chrome GearWrench crowfoot wrench attached to an extension bar to loosen a nut in a crowded engine bay.
Close-up of a chrome tool on a metallic surface with red background
GEARWRENCH

GearWrench Metric Crowfoot Wrench Set 81909 10 Piece 3 by 8 Inch Drive Open End 10mm to 19mm (Full Polish Chrome Automotive Hand Tool)

In stock
SKU: 81909
$74.97 USD

Description

Gearwrench Forge Ahead Logo Logout

GearWrench 81909 10-Piece 3/8-Inch Drive Metric Open-End Crowfoot Wrench Set

The GearWrench 81909 10-Piece 3/8-Inch Drive Metric Open-End Crowfoot Wrench Set is an industrial-grade specialized hand tool set forged from alloy steel to access line fittings in tight-clearance spaces. Meeting ASME strength standards, each crowfoot head pairs directly with standard 3/8-inch square drive ratchets, breaker bars, and extensions to deliver rotational torque around obstructions in automotive engine bays and hydraulic equipment assemblies.

Best Used For:

  • Automotive Fluid Line Service: Accessing power steering pressure lines, brake flare nuts, and A/C hard lines where solid sockets cannot slide over piping.
  • Tight Engine Bay Maintenance: Turning oxygen sensors and recessed bracket bolts hidden behind exhaust manifolds using 3/8-inch drive extension bars.
  • Hydraulic & Industrial Machinery Repair: Torque-tightening hydraulic hose fittings and fuel lines on heavy commercial equipment with restricted tool access.

Key Performance & Safety Features

  • Universal 3/8-Inch Drive Fitting: Directly attaches to all standard 3/8-inch drive ratchets, breaker bars, and torque wrenches for extended clearance.
  • Open-End Flare Profile: Slides sideways onto continuous fluid lines, tubes, and wiring harnesses where closed box-end tools cannot fit.
  • Forged Alloy Steel Construction: Heat-treated alloy steel structure resists head flex and jaw spreading under high rotational torque loads.
  • Full-Polish Chrome Finish: Premium electroplated chrome coating provides superior protection against jobsite rust, oils, and chemical corrosion.
  • Hard-Stamped Size Markings: Large permanent numbers etched onto every head ensure fast identification in dim engine compartments.
  • ASME Specification Compliance: Precision machined to meet or exceed strict ASME standards for dimensional tolerances and load capacity.

What's Included

  • (10) 3/8" Drive Open-End Metric Crowfoot Wrenches: 10mm, 11mm, 12mm, 13mm, 14mm, 15mm, 16mm, 17mm, 18mm, 19mm
  • (1) Blow-Molded Plastic Storage Organizer Tray

Technical Specifications

Brand GearWrench
Model Number 81909
Piece Count 10 Pieces
Drive Tang Size 3/8 in. Square Drive
Measurement System Metric
Metric Size Range 10mm to 19mm (10, 11, 12, 13, 14, 15, 16, 17, 18, 19mm)
Head Style Open End Crowfoot Adapter
Material Composition Forged Premium Alloy Steel
Finish Plating Full Polish Chrome Plating
Compliance Standards Meets or Exceeds ASME Specifications
Total Weight 1.43 lbs (0.65 kg)
Warranty Coverage Manufacturer Full Lifetime Warranty
Pro-Tip: Mount the crowfoot wrench head at a 90-degree angle relative to your torque wrench handle when tightening hydraulic lines to keep torque calculation adjustments at zero.