นกหวีด FOX 40 รุ่น Sonik Blast CMG (งานแท้)

นกหวีด FOX 40 รุ่น Sonik Blast CMG

The Fox 40 whistle is the multi-purpose signalling device that is small enough to attach to everyday keys, marine or other outdoor gear. It needs no batteries, no fuel, and it's always on duty. No wonder it's used by rescue professionals worldwide!
• Sonik Blast? CMG? has a distinct, loud and clear sound
• Cushioned Mouth Grip (CMG)?s thermoplastic material provides superior grip and protection for teeth
• No moving parts to freeze, jam or deteriorate
• 2-chamber pealess + CMG
• Sound Power: 120 dB