A6 Middi Classic with Copper Shred Carbon Fiber and Zirconium (Ceramic IKBS)

Product Description for A6 Middi Classic with Copper Shred Carbon Fiber and Zirconium (Ceramic IKBS)

Maker: Van Heerden & Thorburn (collaboration) (click to see more by this maker)
Item num: 100678
Blade length: 3.10 in.
Cutting edge length: 3.10 in.
Total length: 7.25 in.
Blade height (at heel): 1.15 in.
Blade thickness (near bolster): 0.11 in.
Blade thickness (at midpoint): 0.11 in.
Blade thickness (near tip): 0.04 in.
Item weight: 3.60 oz.
Shipment weight: 4.2 oz.
Blade: Differentially finished premium M390 stainless steel, Hrc 60-61
Bolster: Zirconium
Handle: Copper shred carbon fiber
Sheath: Cordura pouch
Style: Folding liner lock with ceramic IKBS bearing pivot
Description: South African knifemakers André Thorburn and André van Heerden create exceptional folders at a tremendously high skill level. When they collaborate together, they make A2 knives. The A6 Middi is the midsize version of the standard A6. It is a perfect compromise of feeling great in the hand and easy to carry in the pocket!
The blade is perfectly centered and the action is silky smooth -- easily opened with one hand using the discreet and ambidextrous flipper toggle. It uses the IKBS (Ikoma Korth Bearing System) pivot. This mechanism, which was originally designed to fit balisong knives, uses ball bearings to create exceptional action with no blade play. Thorburn and van Heerden created this special A6 Middi with ceramic ball bearings. Generally IKBS bearings are made either from tool steel or from stainless steel. Stainless steel can wear away, resulting in uneven action over time. Tool steel bearings can oxidize making the action rough. Ceramic bearings are the best of all worlds. Extremely hard and wear resistant, they are also inert and will not oxidize.
The blade is formed from M390 premium stainless steel. M390 is a super-steel created by Bohler in Austria. It takes an incredibly sharp edge and holds onto it due to a high concentration of vanadium and chromium carbides. Its unique powder metallurgical process also promotes a uniform carbide distribution and clean steel properties, making M390 a popular steel used in surgical cutting instruments and in applications requiring a high finish. It offers excellent corrosion resistance due to its high concentration of chromium. The blade is hollow ground for an easy to maintain edge.
A Timascus pivot collar is inlaid into zirconium bolsters and surrounds the custom zirconium pivot. This creates an elegant focal point. The bolsters meet perfectly with copper shred carbon fiber. The handle is completed with bronze anodized titanium liners that surround a carbon fiber backbar. The 3D machined zirconium pocket clip is mounted for tip-up, right-handed carry.
Exceptional work throughout!

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