Extrema Ratio FAT BOY DARK STONE NoPayPal an Austrian company which Extrema

an Austrian company which Extrema Ratio has been collaborating with for more than 20 years

Introducing the Crewman

DLC S45VN blade and Solar Flare handle

providing a quick draw while keeping the blade securely in place

Extrema Ratio FAT BOY DARK STONE NoPayPal an Austrian company which ExtremaFat Boy is the most robust fixed blade knife ever produced by Extrema Ratio. This is the first model produced in N690 steel (58HRC) with a thickness of 8. 6 mm, for a total weight of 1 kg. Extrema Ratio has committed to the creation of Fat Boy with the usual determination that distinguishes us, combining extreme thickness and design to obtain an unparalleled product, an innovative and bold solution. Its development was inspired by the first cleavers,