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Klein Tools

Klein Tools 44000 Lockback Pocket Knife 2-1/4 In Blade AUS8 58-59 Rc Aluminum Handle

SKU CH-3AF7-1KCS5 MPN 44000

Lockback pocket knife with 2-1/4 inch AUS8 stainless blade hardened to 58-59 Rc and brushed aluminum handle

  • TypeKnives, Cutters & Snips
  • AUS8 stainless blade hardened to 58-59 Rc holds a keen edge
  • Lockback mechanism secures the blade during use
  • Reversible thumb stud allows one-handed opening
  • Brushed aluminum handle resists corrosion and wear
  • Compact 2-1/4 in blade fits easily in a pocket

Everyday Carry Knife

The Klein Tools 44000 is a lockback pocket knife designed for daily utility tasks. Its 2-1/4 inch AUS8 stainless blade is hardened to 58-59 Rc for durable edge retention. A reversible thumb stud allows quick, one-handed opening with either hand. The brushed aluminum handle provides a secure grip in a compact 3-1/8 inch closed profile.

Upgrade from Basic Folders

This knife replaces slip-joint or non-locking folders that can close unexpectedly under pressure. The lockback mechanism secures the blade open during heavy cutting, reducing the risk of finger injuries. The AUS8 steel at 58-59 Rc holds an edge longer than softer budget steels, meaning less frequent sharpening. The jump is worth it for users who need a reliable, one-handed tool that withstands repeated hard use.

Build Integration

The slim aluminum handle slides easily into a pocket or tool pouch without adding bulk. Its stainless steel colour resists corrosion from moisture or sweat, keeping the tool functional in damp environments. The reversible thumb stud frees up the other hand for holding materials, improving workflow on ladders or in tight spaces. California Proposition 65 warnings apply regarding chemical content.

Highlights

  • AUS8 stainless blade hardened to 58-59 Rc holds a keen edge
  • Lockback mechanism secures the blade during use
  • Reversible thumb stud allows one-handed opening
  • Brushed aluminum handle resists corrosion and wear
  • Compact 2-1/4 in blade fits easily in a pocket

Specifications

BrandKlein Tools
Model44000
TypeKnives, Cutters & Snips

Questions about this item

What is the closed length and blade length of the Klein Tools 44000 pocket knife?

The knife has a closed length of 3-1/8 inches and a blade length of 2-1/4 inches, making it compact for pocket carry.

How does the reversible thumb stud operate for one-handed opening?

The reversible thumb stud allows one-handed deployment with either hand; push outward on the stud with your thumb to unlock and swing the blade open until the lockback engages.

When will the AUS8 stainless steel blade need sharpening or maintenance?

The AUS8 blade hardened to 58-59 Rc holds an edge well; sharpen when cutting performance drops, and periodically oil the pivot and lockback mechanism for smooth operation.

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