BASIC FOLDERS

The two-inch nail. The new Extrema Ratio BD0 R CD is one of the smallest among the Basic folders. Its handle produced in technopolymer makes it light and resistant, also thanks to its steel internal frame. BD0 R CD employs the trustworthy LINER-LOCK blade blocking system and it keeps all BD0 characteristics improved with new High Speed Razor Opening System. Available versions: Black, Desert, HCS,...

This series of extremely compact folding knives is the result of interaction between Extrema Ratio and the military and police with whom we collaborate. The intention was to create a folding knife for everyday use, simple, essential and functional. The basic folding knife: the BF1 (Basic Folder n°1). There are two blade patterns: Tanto and Drop. All the blades are burnished through zirconium...

RESOLZA is an ancient name, reminiscent of the italian word for razor. The centuries old Sardinian "resolza" is one of the best-know traditional knives in our country - to this day it's been the constant companion to island farmers and shepherds in their everyday work. It followed them even when they were called to war: chronicles of the Sassari Brigade during World War I mention the knife as...

Medium folder of the BD series. Its handle produced in aluminum makes it light and resistant, also thanks to its steel internal frame. It employs the trustworthy LINER-LOCK blade blocking system. It keeps all BDØ characteristics and it differs only for its blade length. It comes with double guard to prevent the hand from injury while using it. Available in Black and Desert versions. Free...

BD2 CONTRACTOR is a new basic folder of the BD series. Its blade embodies the classic Italian style with the leaf shape of the BD series. It comes with double edge serrated blade and double guards to prevent the hand from injury while using it. Available in Black and Desert versions. Free Shipping. Specifications: Weight: 105g Blade Length: 94mm Total Length: 222mm Main Blade Thickness: 3mm...

Up to the early 1900s, people commonly carried pocket utility knives. However, due to rampant “misuse”, laws were passed to the effect that all such knives were to be clipped at the blade-tip in order to diminish their dangerousness as weapons. Some people then figured they’d get the greatest effectiveness out of the sharp edge of a traditionally flat-point blade shape, and took to carrying...

BF4 R is a new basic folder with High Speed Razor Opening System, its blade embodies the classic Italian style with an elegant and functional shape. Free Shipping. Specifications: Weight: 135g Blade Length: 122mm Total Length: 277mm Main Blade Thickness: 3mm Blade Material: Bohler Steel N690 (58HRC) Main Griding: Flat Handle Material: Anticorodal Anodized Aluminum Blade Finishing: Satin

The resolza is today one of the most famous traditional knives of our country. Its name has ancient origins and recalls the razor. This model was firstly produced in Sardinia some centuries ago and it has attended the island farmers and shepherds in their daily works. It followed them even when those men were called to war. The chronicles of the Sassari Brigade during World War One quote this...

Extrema Ratio is proud to present the new development of karambit folding knife with rescue characteristics. It has been adopted by the special units of U.S.I.V.P. Principality of Monaco Police. Its name comes from the development and consultancy department of Monaco special intervention units. It comes with a standard industrial-grade cutter blade which is easily replaced, a reversible pocket...