Tactical Everyday Carry EDC Emergency Whistle

No spare parts assembling, only an indivisible whole, more durable and robust for tactical use. Stone Wash Finishing, Anti-Scrape, Wear-Resistance, Rust-proof. Made of Full T6 Aluminium, 1 Hour Precise CNC Processing, excellent workmanship. Unique 3 holes design, very easy to blow . Penetrating120DB Loud sound. Give away an extra necklace chain, convenient for daily wear. Weight: 4g Size: 2 1/3" x 1 1/10" Material: Aero Class Aluminium This whistle is a necessary Everyday Carry Pocket Tool