
Extrema Ratio Knife Glauca G1
The Glauca G1 from Extrema Ratio is an advanced version of the proven Glauca model, specially designed for the highest demands in professional use. The 112 mm long blade made of Böhler N690 steel (hardness approx. 58 HRC) is coated with a sturdy MIL-C-13924 black finish, which provides corrosion protection and reduced reflection.
The handle is made of anodized Anticorodal aluminium in tactical mud color, ensuring a secure grip even under difficult conditions. The Glauca G1 is equipped with several specialized features: at the handle end there is a tungsten carbide glass breaker, on the back a lockable marlin spike, and a foldable rescue tool for quick emergency cuts during rescue operations.
The clip can be mounted in several positions, including at the front, and the locking system combines a liner lock with a manual secondary lock – ideal for critical situations. With an overall length of about 270 mm and a weight of around 225 g, this knife offers a balanced combination of manageability and size – suitable for tactical use and demanding outdoor tasks.
The Glauca G1 from Extrema Ratio is a professional folding knife for experts and demanding users. With high-quality materials, thoughtful mechanics, and specialized tools such as glass breaker, marlin spike, and rescue cutter, it excels both in tactical scenarios and in outdoor and rescue contexts. Those seeking a versatile and sturdy utility knife will find an excellent choice here – uncompromising in quality and function.
Knife sales in Switzerland – Important notes
At Alpine Fox you will find only knives that are not classified as weapons under the Swiss Weapons Act (WG). We deliberately offer only models whose possession and purchase in Switzerland is fully legal.
There is only one requirement for buying a knife:
You must be at least 18 years old.
We still recommend familiarizing yourself with the legal basics when acquiring knives and handling these products responsibly.










