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SCREWDRIVER #1 SQUARE RECESS - Klein Tools

Part #: KLN661

The Klein Tools KLN661 #1 Square Recess Screwdriver is a professional-grade tool designed for technicians and mechanics who demand precision and durability for square-drive fasteners. Engineered to provide a secure fit and efficient torque transfer, this screwdriver is an essential addition to any professional toolkit, ensuring reliable performance in demanding automotive and industrial environments.

Key Features

  • Precision-Machined #1 Square Recess Tip: Ensures an exact fit with square-drive screws, minimizing cam-out and preventing damage to fasteners. This precision allows for optimal torque application and a secure hold.
  • Heat-Treated, Chrome-Plated Shaft: The shaft is specially heat-treated for enhanced strength and durability, then chrome-plated for superior corrosion resistance and a smooth feel.
  • Cushion-Grip™ Handle: Designed for comfort and greater torque, the ergonomic Cushion-Grip™ handle reduces hand fatigue during prolonged use, even in challenging conditions.
  • Tip-Ident® System: The color-coded handle end with Tip-Ident® quickly identifies the screwdriver type and tip orientation, streamlining tool selection on the job.
  • Robust Construction: Features internal flanges inside the handle that provide a solid, twist-resistant blade anchor, ensuring the tool's longevity and reliability.
  • Meets Professional Standards: This screwdriver meets or exceeds applicable ASME/ANSI specifications, attesting to its professional quality and performance.

Applications

This #1 Square Recess Screwdriver is ideal for a wide range of professional tasks. It is particularly effective for working with combination head receptacles, switch, and panel screws commonly found in electrical installations. Its square-tipped design is also well-suited for various automotive repairs, industrial machinery assembly, and general maintenance where square-drive fasteners are utilized, offering superior torque control and reduced slippage.

Only 1 left in stock - order soon

$14.27

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This product was added to our catalog on Sunday 31 May, 2026.

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