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Insulated open-end wrench with high-visibility coating, single-piece alloy steel construction

Wiha Tools

Wiha Tools 20149 Insulated Open End Wrench

SKU CH-GCCA-RHTZA

An insulated open-end wrench for safe work on live electrical components

  • TypeStrap Wrenches
  • MaterialHAWA
  • High-visibility coating aids fastener identification in low light
  • Chrome vanadium steel construction resists corrosion for long service life
  • Ratcheting mechanism allows continuous adjustment without repositioning
  • Insulated design protects against electrical hazards during use
  • One-piece forged body eliminates weak points under high torque

Insulated Strap Wrench 20149

The Wiha Tools 20149 is an insulated strap wrench designed for electrical and mechanical tasks where live circuits may be present. Its high-visibility coating helps the user locate the fastener quickly in low-light conditions. The tool is built from chrome vanadium steel with a HAWA strap for durability and corrosion resistance. It suits professional electricians and maintenance technicians who need a non-conductive gripping tool.

Upgrade from standard steel wrenches

This wrench replaces conventional open-end or adjustable spanners when working on or near energised equipment. The insulated construction and ratcheting action allow continuous turning without repositioning, reducing the risk of accidental contact. The jump is worth it for any job that requires verified insulation and a secure grip on smooth or irregular surfaces.

Simple one-piece operation

No assembly is required; the wrench is ready to use straight from the package. The ratcheting mechanism engages automatically, so the operator simply places the strap around the workpiece and turns. Common issues arise if the strap is worn or contaminated with oil, which reduces friction and can cause slipping on polished pipes. California Proposition 65 warnings apply to this product.

Highlights

  • High-visibility coating aids fastener identification in low light
  • Chrome vanadium steel construction resists corrosion for long service life
  • Ratcheting mechanism allows continuous adjustment without repositioning
  • Insulated design protects against electrical hazards during use
  • One-piece forged body eliminates weak points under high torque

Specifications

BrandWiha Tools
TypeStrap Wrenches
MaterialHAWA

Questions about this item

What is the length of the Wiha Tools 20149 open-end wrench?

The wrench measures 9 1/8 inches long, giving enough reach for most automotive and maintenance fasteners.

How do you correctly position the ratcheting open end on a fastener?

Seat the 1 1/8-inch jaw fully on the nut or bolt before applying force; the ratchet mechanism only engages when the head is squarely engaged.

Will the high-visibility coating wear off with heavy use?

The coating resists corrosion and abrasion, but like any finish it will gradually show wear on the contact faces after repeated cycles.

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