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Small black 4-inch adjustable wrench with laser-etched scales and hanging hole

WORKPRO 4-Inch Mini Adjustable Wrench 19mm Max Jaw

SKU CH-1VZR-WHBV0

A 4-inch adjustable wrench with a 19mm max jaw, dual metric and SAE scales, and a chrome vanadium steel body for small fasteners

  • Type4-Inch
  • Selling UnitCount
  • Overall Length4 inches
  • Fits tight spots with 4-inch compact design
  • Handles M6–M10 fasteners up to 19mm jaw
  • Chrome-vanadium steel resists corrosion with black oxide
  • Laser-etched metric and SAE scales for quick setting
  • Pocket-sized with hanging hole for EDC carry

Compact 4-Inch Adjustable Wrench

This WORKPRO mini wrench measures four inches overall and opens to a maximum jaw of 19 mm. It targets DIYers, technicians and hobbyists who need a precise tool for small fasteners in confined spaces such as appliance repair, model assembly or electronics work. The lightweight design also suits everyday-carry pouches or a keychain via the tail-end hanging hole.

Dual Laser-Etched Scales & Smooth Knurl

Both sides carry SAE and metric graduations for quick jaw setting without guesswork. The knurl turns smoothly, giving a snug fit on nuts and bolts from M6 to M10 and reducing slippage during use. No extra accessories or software are bundled; the scales and knurl themselves are the only aids for adjustment.

Drop-Forged Cr-V Steel with Black Oxide Finish

The wrench is drop-forged from heat-treated Chrome Vanadium steel and coated with a corrosion-resistant black oxide layer for durability in daily use. An ergonomic handle profile improves grip and control, while the hanging hole allows pocket or keychain carry. The 19 mm jaw limit means the tool is not suited for heavy-duty tasks or fasteners of 12 mm and above.

Highlights

  • Fits tight spots with 4-inch compact design
  • Handles M6–M10 fasteners up to 19mm jaw
  • Chrome-vanadium steel resists corrosion with black oxide
  • Laser-etched metric and SAE scales for quick setting
  • Pocket-sized with hanging hole for EDC carry

Specifications

BrandWORKPRO
Type4-Inch
Selling UnitCount
Overall Length4 inches

Questions about this item

Will the 19mm jaw capacity need replacement after repeated use on M6–M10 fasteners?

The drop-forged Chrome Vanadium Steel and heat-treated construction are built for long-lasting durability on small nuts and bolts up to 19mm.

What limit appears first when the wrench is used continuously on small fasteners?

The 19mm maximum jaw opening restricts the tool to M6–M10 sizes; larger fasteners such as M12 or above exceed its capacity.

Does the black oxide finish or steel construction create noticeable heat during all-day use?

As a hand-operated tool with no powered components, it generates no operational heat, and the black oxide finish provides corrosion resistance without affecting temperature.

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