C234 Amalgam

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The C234 Amalgam is an in-house design and part of their Flippers series.

Appearance in catalogs

The C234 Amalgam appeared in the following catalogs:


Brian Lai

History, mentionings from the forums etc.

Information from the Spyderco catalog on the web

C234 Amalgam

"Designed from the ground up as a practical, versatile working knife, the Amalgam combines all the advantages of Spyderco’s patented Compression Lock®, a fully accessible Trademark Round Hole™, and a flipper opener into one synergistic package.

The brainchild of a Mechanical Engineering student and knife enthusiast named Brian Lai, the Amalgam features a broad, drop-point blade crafted from American-made CPM® S30V® stainless steel. The PlainEdge™ blade is full-flat ground for exceptional edge geometry and showcases a beautiful satin finish. It also rides on special low-friction ball-bearing washers that give it an incredibly smooth action and help ensure swift, positive, one-handed opening with either its index-finger flipper or its Round Hole. In the open position, the blade’s flipper also serves as a highly functional lower guard.

The Amalgam’s handle features skeletonized stainless steel liners nested into textured carbon fiber/G-10 laminate scales. This keeps the ergonomic handle slim and pocket friendly and complements its open-backed construction to minimize the knife’s overall weight and accentuate its balance. A four-position clip and lined lanyard hole support all possible carry preferences and allow the Amalgam to be brought into action quickly and positively with either hand." [1]


The C234 Amalgam is made in Taichung, Taiwan and has

  • Compression Lock
  • Ball-bearing pivot washers
  • Nested stainless steel liners
  • Flipper tab
  • Lanyard hole
SKU Handle Edge(s) Steel From/To MSRP Note Number made Grind Clip Clip positions Collectors club
C234CF Textured black CF/G-10 laminate PE Satin CPM-S30V Oct. 2018- $270.00 (2019) Regular production Full Flat Silver Hourglass LH/RH, TU Main

Most collectible variation

Questions regarding collecting the C234

Some interesting questions we are looking for an answer to:

Questions with an answer:

Technical information

Measurements (mm and grams) of the C234 Amalgam:

Variation Length overall Length closed Length blade Length edge Hole Ø Blade thickness Weight
C234CF 226mm 130mm 97mm 86mm 12.1mm 3.5mm 122g

Measurements (inches and ounces) of the C234 Amalgam:

Variation Length overall Length closed Length blade Length edge Hole Ø Blade thickness Weight
C234CF 8.90" 5.10" 3.80" 3.40" 0.48" 0.138" 4.3oz


  1. The C234 Amalgam in Spyderco's online catalog


The C234 Amalgam, opened and closed.