The Zero G Smooth Operator is a good size and the lanyard with the knot is cool too.
Lone Star Knife & Supply | Exclusively American Made Gear
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The Zero-G in the Smooth Operator pattern, no texture, no distraction.
The Zero-G is what happens when a CNC engineer in East Tennessee looks at a standard utility knife and asks why it cannot be better. Michael Sayers rebuilt the replaceable blade format from scratch in 6061 aluminum with a screwless body, a spring assisted slide, and dual internal magnets. Smooth Operator strips the texture off entirely and reduces the knife to an elegant silhouette.
Slide the show side scale forward to deploy the blade. Release it and dual internal magnets and a spring snap it back with a click and clack that turns a utility knife into something you reach for out of habit. There is not a single screw in the chassis. What holds it together is geometry and precision.
Original leaves the machining visible. Smooth Operator takes even that away. No milling, no knurling, nothing for a pocket to catch on, which makes it the one to pick if you want the action without the knife announcing itself.
The Zero-G introduced a new Flush Pivot pocket clip that sits lower than the older design, so it rides flatter and catches less on a pocket seam. A machined lanyard hole gives you the other carry option.
The Zero-G uses common trapezoid utility blades. Rivery lists Workpro SK5 at 61mm, Dewalt Carbide Edge, Rapid Edge Serrated, Milwaukee, Titan, Berkling SK2h Black, Jet SK5 Titanium Coated, Stanley 11-800L, and selected generic SK5 blades. Fiskars and ceramic blades are not compatible.
Rivery Manufacturing started as a small CNC operation in Sevierville and grew around the Zero. Michael Sayers designs every product in house. A small American shop reworking a tool most people overlook, done with real precision, is exactly what we like carrying.
The cleanest Zero-G there is. All of the mechanism, none of the texture, machined in Tennessee.
Proudly carrying American

Overall rating: 5.0 / 5 from 4 reviews.
The Zero G Smooth Operator is a good size and the lanyard with the knot is cool too.
Michael W. 5/5 Verified
Just as described and great customer service
Josh B. 5/5 Verified
Just as described and great costumer service
Josh B. 5/5 Verified
I would buy from here again, super fast shipping, and they even tossed in a couple stickers, overall legends!
Andrew W. 5/5 Verified
Overall rating: 5.0 / 5 from 4 reviews.
The Zero G Smooth Operator is a good size and the lanyard with the knot is cool too.
Michael W. 5/5 Verified
Just as described and great customer service
Josh B. 5/5 Verified
Just as described and great costumer service
Josh B. 5/5 Verified
I would buy from here again, super fast shipping, and they even tossed in a couple stickers, overall legends!
Andrew W. 5/5 Verified
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