Titanium alloy

Function: wilderness survival, training, the referee
Weight: 14.8 g
Size: 42 mm (length) * 17 mm (width) * 9.4 mm (thickness)
Db: 100-130 db
Color： Sandblasting non-tritium tube, oxidation non-tritium tube, 2 sandblasting tritium tubes, 2 oxidation tritium tubes