Pro-Tech TR-5 Lerch Stonewash
Pro-Tech TR-5 Lerch Stonewash
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Pro-Tech TR-5 Lerch Stonewash

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  • Drop point blade made with CPM-S35VN steel with a stonewash finish.
  • Thumb stud opener.
  • Black aluminum handle with jimping.
  • Durable button lock.
  • Deep carry pocket clip for tip-up carry.

Pro-Tech has added a spring assisted model to their Tactical Response lineup, the TR-5. Similar in design to the TR-4 auto, the TR-5 is smaller and more pocket-friendly. The assisted opening mechanism was developed by custom knifemaker and designer Matthew Lerch. Unlike most spring assisted knives, the TR-5 offers almost instant Assist engagement that is powerful. Sufficient force is required to activate the mechanism, providing an added measure of safety. Best of all, the Pro-Tech TR-5 Assist is legal to carry in most places.

This TR-5 model has a black anodized aluminum handle with a two-tone black back spacer/lanyard attachment, and a deep carry tip-up pocket clip. The blade is stonewashed and outfitted with a thumb stud opener. The plunge lock enables safe use and provides solid lockup. Pro-Tech's TR-5 is an impressive addition to their lineup and boasts their longstanding build-quality and performance.


  • Overall Length:7.625"
  • Blade Length:3.25"
  • Cutting Edge:2.875"
  • Blade Thickness:0.13"
  • Blade Material:CPM-S35VN
  • Blade Style:Drop Point
  • Blade Grind:Flat
  • Finish:Stonewash
  • Edge Type:Plain
  • Handle Length:4.375"
  • Handle Thickness:0.48"
  • Handle Material:Aluminum
  • Color:Black
  • Weight:3.52 oz.
  • User:Right Hand
  • Pocket Clip:Tip-Up
  • Knife Type:Spring Assisted
  • Opener:Thumb Stud
  • Lock Type:Button Lock
  • Brand:Pro-Tech
  • Model:TR-5
  • Model Number:TR-5 SA.1
  • Designer:Matthew Lerch
  • Country of Origin:USA
  • Best Use:Everyday Carry, Tactical
  • Product Type:Knife