Stanley 10-399 6-Inch Utility Knife

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Stanley 10-399 6-Inch Utility Knife

Stanley 10-399 6-Inch Utility Knife

5 stars out of 5 reviews
(5.0)|
5 ratings

Key item features

  • Fixed Blade: This Stanley 10-399 utility knife features a fixed blade design, ensuring stability during use, and includes three carbon steel utility blades.
  • Robust Construction: The knife boasts a durable metal handle in a gray finish, complemented by a contoured handle type for comfortable gripping.
  • Efficient Blade Change: Blade changes are simplified with a swivel-open mechanism, allowing for quick and easy replacement of the utility blade.
  • Compact Dimensions: Measuring 6 inches in overall length, 1-1/2 inches in width, and 3/4 inches in thickness, this tool is designed for general-purpose applications.
  • Secure Interlocking: An interlocking nose feature enhances blade security, contributing to safer operation during various tasks.
  • Tether Capable: The utility knife is standard tool tether capable, requiring an accessory for secure tethering to prevent drops.
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5 out of 5 stars
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Showing 1-3 of 5 reviews

Nov 22, 2025
10399
5 out of 5 stars review

Excellent

This DOES have blade storage. Easy to use lasts a long time

Review from stanleytools.com
Helpful?30PB2WQC0MYU19901746
May 11, 2020
sea builder
5 out of 5 stars review

10-399- a classic fixed blade

What right do I have to write this review? Well, I am a house carpenter with 35 years experience cutting stuff up with utility knives. This one has the right mix of sturdiness, ease of replacing blades, and hand feel. It's not for non-tool belt wearing people because of the fixed blade- you must be careful with the thing and not stab yourself- don't keep it in your hand along with 4 cedar shingles as you shove it out a window to your work mate reaching blindly for it, for s/he will be stabbed and remind everyone of the stabbing many times at lunch. Put it in your tool belt sleeve, which you can line with a scrap of pex tube to protect things. But yes, this is the one to buy.

Review from stanleytools.com
Helpful?30PB2WQC0MYU19901746
Jul 18, 2024
Charles1027
5 out of 5 stars review

Best tool Stanley makes!!!! Hopefully they don't discontinue for good. I do floors and need a good fixed blade with quick change blade. I was a big fan of the Stanley swivel lock carpet knife which for some reason was discontinued? Strange. Second best tool they make. Love both keep making them!!!!!!

Review from stanleytools.com
Helpful?30PB2WQC0MYU19901746