The Ketuo Ventr V4 is the definitive answer for the forward-thinking EDC enthusiast who demands elite, custom-tier materials in a compact frame but is tired of standard button locks that suffer from blade play or weak internal detents. Designed by Braden Sweeten and manufactured by Ketuo, this fourth-generation powerhouse represents the absolute pinnacle of the Ventr platform's evolution. Moving far past its budget-friendly G10 and carbon fiber predecessors, the V4 makes a massive leap into the ultra-premium realm. This minimalist variant offers a clean, monochromatic, and modern aesthetic, marrying an industrial, aggression-free Böhler M390 stainless steel blade with a sleek, industrial gray TC4 titanium frame to balance exceptional structural strength with a lightweight, premium in-hand experience.
Using this knife solves the frustration of carrying compact folders that feel flimsy under heavy pressure or lack proper mechanical security. It provides that "expert-to-peer" pride of ownership, incorporating Ketuo's specialized hybrid button liner lock. By combining the highly addictive, smooth, drop-shut action of an external button release with the deep structural stability of a traditional internal liner lock, this mechanism provides a secure lockup with high stability and zero play.
In a fast-paced everyday utility layout or a modern technical workspace, the Ventr V4 operates with absolute precision and fluid speed. Riding on an incredibly smooth ceramic ball bearing pivot, the 2.80-inch modified sheepsfoot and clip point blade can be opened effortlessly using the ambidextrous thumb slot, a controlled reverse flick, or a swift button-release gravity flip. Once deployed, the high flat grind and 0.12-inch-thick blade spine focus razor-sharp slicing performance while maintaining a highly controllable, predictable cutting feel. The exquisite hand-rubbed satin finish adds a refined, high-end look to the clean profile of the tool.
If your workflow transitions into heavy-duty piercing or intense pushing, a manual secondary toggle switch slides forward on the frame to completely lock the button in place, minimizing the risk of unintentional lock disengagement. For carrying, the knife is configured with a matching low-profile milled 3D titanium pocket clip for secure tip-up carry. Furthermore, it features an innovative, removable titanium rear tail ring; keeping it attached gives you a dedicated lanyard anchor, while removing it lets users with larger hands seamlessly change the ergonomics and pocket profile on the fly.
Key Benefits
- Böhler M390 Super Steel: Elite 2.8-inch stainless steel blade delivers world-class edge retention and superior corrosion resistance for demanding everyday cutting tasks.
- Minimalist Gray Aesthetic: Features an elegant, hand-rubbed satin blade finish beautifully paired with a clean, bead-blasted gray TC4 titanium handle framework for a modern look.
- Innovative Button Liner Lock: Blends the smooth, responsive action of a button mechanism with the rugged, structural security of a traditional liner lock.
- Fail-Safe Manual Toggle Switch: Built-in mechanical safety blocks the lock button during hard use, ensuring total user protection and preventing unintentional disengagement.
- Ceramic Bearing Deployment: Runs on ultra-smooth ceramic ball bearings for consistent performance and fluid extraction via the thumb slot, reverse flick, or button-release.
- Modular Titanium Tail Ring: Includes a removable rear titanium lanyard loop that allows operators to fully customize the handle length, ergonomics, and pocket profile.
The Ketuo Ventr V4 Folding Knife features a 2.80-inch Böhler M390 stainless steel sheepsfoot/clip point blade with a clean satin finish. This manual folder deploys via a thumb slot or button release on a ceramic ball-bearing pivot assembly. The handle is built with gray TC4 titanium scales over a hybrid button liner lock equipped with a manual safety toggle switch, a modular, removable titanium rear tail ring, and a milled titanium tip-up pocket clip. It measures 4.10 inches closed, 6.90 inches overall, and weighs 3.20 ounces.
Secure your premium Ketuo Ventr V4 Folding Knife from Smoky Mountain Knife Works, a Tennessee landmark and the world's largest knife store. Every year, over 1.5 million people visit our legendary showroom in the Great Smoky Mountains to experience the premium selection and expertise that makes us the premier destination for cutting-edge EDC gear and traditional cutlery.