The Fox FX-552 Chronos flipper knife, designed by Stefan Merk, merges premium craftsmanship with modern functionality. Its 3.54-inch reverse tanto blade, crafted from CPM-MagnaCut steel, offers outstanding edge retention, toughness, and corrosion resistance. The knife’s aluminum handle ensures a lightweight yet durable construction with an ergonomic grip for optimal handling. Equipped with a reliable frame lock, the Chronos provides secure and seamless blade operation, while the integrated flipper tab allows quick one-handed deployment. Complete with a tip-up pocket clip for convenient carry, this Italian-made folding knife is a refined and reliable everyday companion.

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Fox FX-552 ALBOR Stefan Merk Chronos Frame Lock Flipper Knife 3.54" CPM-MagnaCut Black PVD Reve…Retail price: $478.99, our price: $383.19
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Fox FX-552 ALBR Stefan Merk Chronos Frame Lock Flipper Knife 3.54" CPM-MagnaCut Satin Reverse T…Retail price: $453.99, our price: $363.19
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Fox FX-552 ALCF Stefan Merk Chronos Frame Lock Flipper Knife 3.54" CPM-MagnaCut Black PVD Rever…Retail price: $507.99, our price: $406.39
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Fox Knives Kronos FAQ

The Fox Kronos series, designed by Stefan Merk, is engineered to maximize cutting surface within a compact pocket footprint. These Italian-made folders feature premium materials like CPM-MagnaCut steel and a unique integrated backspacer construction.

What steel is used in the Fox Kronos series?
The Fox Kronos series features blades crafted from CPM-MagnaCut steel. This high-performance powder metallurgy steel is chosen for its exceptional balance of edge retention, toughness, and extreme corrosion resistance.
How do you deploy the Fox Kronos blade?
The Kronos series offers multiple deployment options, including a dedicated flipper tab and a blade cutout for reverse flicking. The spine features heavy jimping that also allows for front flipping or a controlled slow roll, all of which operate smoothly on a ball-bearing pivot.
What is the blade shape of the Kronos?
The Fox Kronos utilizes a reverse tanto blade shape, though its geometry also draws comparisons to a modified wharncliffe or cleaver. This design provides a sturdy tip and a long, slightly curved cutting edge suitable for diverse utility tasks.
What are the handle and lock specifications for the Kronos?
The series primarily uses aluminum handles or FatCarbon scales, paired with a secure frame lock mechanism for reliable lockup. The construction is notable for its integrated backspacer that wraps around to form part of the handle scales and a captive pivot that prevents the hardware from spinning during maintenance.
Why is the Fox Kronos popular for everyday carry?
The Fox Kronos is highly regarded for its impressive blade-to-handle ratio, offering a 3.54-inch blade in a package that remains efficient in the pocket. This design allows users to carry a full-sized cutting tool without the excessive bulk typically associated with larger folding knives.