UC3287 United Cutlery M48 Cyclone Boot KnifeThe UC3287 M48 Cyclone is a 10. 5" fixed blade boot knife built around a distinctive tri edge spiral blade in 2Cr13 stainless steel, designed to pierce and cut with equal authority. The two tone finished blade pairs with a black checkered GRN handle and stainless guard for solid ergonomics and corrosion resistance, while the integrated glass breaker adds utility beyond cutting. At this size and spec level, it's a capable backup blade or tactical boot