ProTech – R5201 – Runt 5 – Automatic Knife – CPM 20CV Stonewash Reverse Tanto – Aluminum – Black

Compact yet powerful, the Pro-Tech Runt 5 (Model R5201) stands as a refined embodiment of precision engineering and portability. Forged in the USA by Pro-Tech Knives, this side-opening automatic showcases renowned craftsmanship in a sleek, ergonomic design. At a glance, its sub-two-inch reverse tanto blade—crafted from premium CPM-20CV steel—delivers razor-sharp performance while staying California-legal. The ultra-smooth black anodized aluminum handle offers both understated elegance and a secure grip in a truly pocket-friendly frame. The blade’s action is swift and commanding, brought to life by Pro-Tech’s signature automatic push-button mechanism. Whether you’re opening mail, handling everyday tasks, or just appreciating precision, the R5201 feels substantial in the hand despite its petite form—a testament to thoughtful design and solid balance.

Specifications & Features:

Product Type: Automatic Folder – Single-action, side opening

Brand / Designer: Pro-Tech Knives, USA

Model Number: R5201

Blade Material: CPM-20CV stainless steel

Blade Style: Reverse Tanto, plain edge, flat grind

Blade Finish: Stonewash

Blade Hardness: 58–61 HRC

Blade Length: 1.9 in (1.96 in in some listings)

Overall Length: 5.25 in (some sources list 5.12 in or 5.13 in)

Closed Length: 3.35 in

Handle Material: Black anodized aluminum (6061-T6)

Handle Finish: Smooth, ergonomic contouring

Weight: Approximately 2.1 oz

Lock Type: Button Lock for solid blade lock-up

Opener: Push-button automatic deployment

Clip: DLC-coated deep-carry pocket clip, tip-up, right-side placement

Origin: Made in the USA

Blade Range: 1–1.99 in

What’s more, you can experience this item for yourself by holding, smelling it or even taking a selfie with it in person at our local store, Sharp Things OKC, located at 6610 N. May Ave., Oklahoma City, OK 73116. Alternatively, you can purchase with confidence here online at www.SharpThings.com. You will experience world-class customer service in either environment. Don’t miss out on this exceptional product – add it to your cart and your collection today. Feel free to give us a call 7 days a week anytime between 9 AM and 9 PM. 405-286-2112 with any questions.