Maiyidun AT6637 double-tube signal whistle for outdoor, survival and emergency use, producing a loud high-frequency sound.
- Material: 430 stainless steel
- Size: 57 × 18 mm, 8 mm thick
- Weight: 25 g
- Volume: 150 dB
- Packed size: 6 × 9 × 1 cm




















Brand:
Maiyidun
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