The Firefly Emergi-Marker "5in1" is a compact, all-in-one survival tool engineered for those who demand reliability in critical situations. Whether you’re hiking, fishing, camping, scouting, or deployed in the field, this tool integrates five essential emergency functions into one lightweight, rugged aluminium body—plus the added benefit of tritium-powered glow for night visibility. Going beyond standard 4-in-1 survival tools, the Emergi-Marker includes an embedded GTLS (Gaseous Tritium Light Source) that glows continuously for over a decade with no batteries, charging, or light exposure needed. This makes the tool easy to locate in the dark and useful as a route, gear, or position marker. 5 Integrated Functions: Spark Generator: High-efficiency ferro rod for fire-starting Emergency Whistle: Loud, high-pitched signal whistle Serrated Backup Knife: Compact steel blade for cutting and sparking Tungsten Steel Impact Head: Glass-breaker tip, also suitable for self-defence Self-Luminous GTLS Marker: Glows continuously, available in 9 colour options Designed for Durability: Matte black aluminium body with rubber-sealed screw joints Water-resistant construction for reliable field use Corrosion-resistant spring clip for easy belt, bag, or pocket attachment Tool splits into 3 key components for quick deployment Specifications: Length: 150.0 mm Diameter: 12.0 mm Weight: 40.0 g GTLS Activity: Max 1.0 GBq The Firefly Emergi-Marker is a simple, dependable, and multi-functional tool built for real-world emergencies. Whether navigating terrain, starting a fire, or signalling for help—this compact unit could make all the difference.