Michael Zieba/Jason Knight Custom S5 "Southern Star" Flipper 4" M390 Stonewashed Blade, Flamed Titanium Handles

Part #: ZBAS5SS | Zieba Knives


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ZBAS5SS: Custom S5 "Southern Star" Folding Knife

Michael Zieba Custom Knives

The S5 "Southern Star" is a collaboration between Michael Zieba and ABS Mastersmith Jason Knight of 'Forged in Fire' fame. It pairs Jason's signature blade shape and grind lines with Michael's contoured, overbuilt handle and buttery smooth flipping action for a knife that is truly exceptional. It's a large, robust tactical folder with a one-of-a-kind aesthetic and a build quality anyone will appreciate.

The knife debuted at the ICCE International Custom Cutlery Exposition in Kansas City last October where it was honored with the prestigious reward of 'Best Tactical Folder.' The model we have here features a Bohler M390 stainless steel blade with a blasted then stonewashed finish. The contoured titanium handles have a very ergonomic shape and are nice and thick, just like those found on the newer S4 variants. The blade rockets out on caged bearings with unbelievable speed and locks up tightly while the frame lock is quite stiff yet still easy to disengage. The knife is fitted with thumb ramp jimping and a replaceable lockbar insert that doubles as an overtravel arrestor. The ergonomics, build quality, and design are top notch and the grind lines on the blade are simply amazing. This is a beautiful yet tactical knife you will definitely be proud to carry each and every day. Handmade in Brooklyn, New York.


  • Titanium Backspacer with Hidden Lanyard Post
  • Internal Lightening Pockets
  • Includes Lanyard and Custom Bronze Skull Bead
  • Zieba Plastic Case


  • Blade Length: 4.0"
  • Cutting Edge: 4.0"
  • Closed Length: 5.25"
  • Overall Length: 9.3125"
  • Blade Material: Bohler M390 Stainless Steel
  • Blade Thickness: 0.160"
  • Blade Hardness: 59-60HRC
  • Blade Style: Drop Point
  • Blade Grind: Flat
  • Blade Finish: Stonewash
  • Handle Material: Flamed Contoured Titanium
  • Handle Thickness: 0.78"
  • Locking Mechanism: Frame
  • Pivot Assembly: Caged Bearings
  • Pocket Clip: Titanium (Tip-Up, Right Carry)
  • Weight: 6.77 oz. (192 g)
  • Designers: Michael Zieba and Jason Knight
  • Handmade in the USA
Titanium Handles
Titanium Handles A nonferrous metal, it's prized for its high strength to weight ratio and is often used on higher end knives.
Pocket Clip
Pocket Clip Includes a pocket clip for easy accessibility and a more secure carry.
Frame Lock
Frame Lock Developed by Chris Reeve, it functions like a liner lock but the lock is comprised of one of the handle scales. It's an extremely strong and easy to manipulate lock.
M390 Powdered metal developed for knife blades which provides good corrosion resistance and very high hardness for excellent wear resistance during hard use cutting.
Semi-Custom Semi-Custom or Mid-Tech knives are knives produced by a process in which the designer has more direct--but not complete--involvement; parts of these knives may still have been made by others.
Made in USA
Made in USA This product is USA born and raised.


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