EXTREMA RATIO Knife Ontos II S600 Black

Extrema Ratio Knife Ontos II S600 Black

The ONTOS II S600 from Extrema Ratio is a knife designed for uncompromising use in tactical situations and outdoor adventures. The 167 mm blade made of Böhler S600 tool steel (approx. 64 HRC) offers extreme wear resistance, while the EXP Dark finish based on Teflon provides reliable corrosion and reflection protection.

The ergonomic handle made of green Forprene fits securely in the hand – even when wet or with gloves – and provides excellent control for all cutting and chopping tasks. The package is complemented by a M.O.L.L.E.-compatible Cordura sheath that can be flexibly attached to a belt or gear.

The ONTOS II S600 is aimed at outdoor enthusiasts, survival fans, and professionals who demand the highest standards of robustness, versatility, and precision – without compromising on style or design.

Features:Blade material: Böhler S600 tool steel, approx. 64 HRC hardnessBlade length: 167 mmOverall length: approx. 299 mmBlade thickness: approx. 6 mmFinish: EXP Dark coating (Teflon-based) for increased corrosion and reflection resistanceGrind: Flat grind – balanced between cutting performance and stabilityHandle material: Forprene in green – non-slip and ergonomically shapedSheath: M.O.L.L.E.-compatible Cordura sheath in green – modular attachment possibleWeight: approx. 344 g

The ONTOS II S600 is a top-notch knife for anyone who does not want to compromise in the field, in action, or on expeditions. With high-quality tool steel, thoughtful design, and robust features, it offers professional-level performance. It reliably handles both demanding cuts and tough tasks and is a dependable companion in any situation.

Knife sales in Switzerland – Important notes

At alpinefoxshop.ch, you will find only knives that are not classified as weapons under Swiss weapon law (WG). We consciously carry only models whose possession and acquisition are fully legal in Switzerland.

There is only one requirement for purchasing a knife:
You must be at least 18 years old.

However, we recommend familiarizing yourself with the legal foundations when acquiring knives and handling these products responsibly.