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Klein Tools #1 Robertson square screwdriver with heat-treated shank and slip-resistant handle

Klein Tools

Klein Tools 409-661 85162 #1 Robertson Square Screwdriver

SKU CH-HZDK-T6480

#1 Robertson square screwdriver with heat-treated shank and slip-resistant handle that resists oil, gas and water

  • TypeScrewdrivers
  • Heat-treated shank resists wear and lasts longer
  • Handle design resists slippage for secure grip
  • Handle material resists oil, gas and water damage
  • #1 Robertson square tip drives square-recess screws precisely

Klein Tools #1 Robertson Screwdriver

This Klein Tools hand screwdriver is built for driving #1 Robertson square-recess fasteners. Its heat-treated and tempered shank provides durability for repeated use. The handle resists slippage, oil, gas and water for a secure grip in demanding environments. It suits professionals and DIYers working with square-drive screws.

Limitations of the square-drive interface

The #1 tip fits only one size of Robertson recess; larger or smaller screws require different drivers. Square-drive fasteners are less common than Phillips or slotted types in some regions, limiting everyday utility. The tool cannot apply torque to stripped or damaged recesses. It is a single-purpose driver, not a multi-bit system.

Highlights

  • Heat-treated shank resists wear and lasts longer
  • Handle design resists slippage for secure grip
  • Handle material resists oil, gas and water damage
  • #1 Robertson square tip drives square-recess screws precisely

Specifications

TypeScrewdrivers

Questions about this item

Which Robertson tip size does the 85162 model provide?

The 85162 model is a #1 Robertson square screwdriver, suited for #1 square-recess fasteners.

How does the heat-treated shank perform when driving screws?

The heat-treated and tempered shank resists twisting and rounding, so it holds the square recess cleanly under torque.

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