Titanium Compass Double Barrel Popping Whistle Outdoor Rescue EDC Four Finger Knuckles Size: 120mm * 74mm *

Size: 120mm * 74mm * 14mm

Size: 116mm * 68mm * 18mm

surface carburizing hardening treatment

feel a higher level

Titanium Compass Double Barrel Popping Whistle Outdoor Rescue EDC Four Finger Knuckles Size: 120mm * 74mm *Material: Titanium Alloy Length: 5. 4cm Width: 1. 8cm Weight: 26g Compass titanium double tube whistle, this design is with a compass, in the forest hiking or mountain can be emergency rescue, the sound is loud enough, is a double tube titanium alloy, the whistle core is also titanium alloy. Note: Burning titanium color is handmade, each one of the color is unique, the surface is formed by the high temperature of the flame of the titanium alloy color,