Titanium 123dB Safety Whistle text Avid cyclists and triathletes will

Avid cyclists and triathletes will love these

The spheres are accurate to within millionths of an inch and are normally used in high precision measuring equipment

The ring is only offered in widths of 6mm

The ring shown is 7mm wide and has a Polished finish

Titanium 123dB Safety Whistle text Avid cyclists and triathletes willThis whistle is custom made in aerospace grade titanium to fit in the slot of ToolFob. It is extremely loud and has no moving parts. It can plug into the Hex Slot on the Toolfob for easy lip alignment. It weighs in at 1 GRAM! There is no smaller and louder whistle out there. Here's how to use it: https: youtu. be 6vUFZ0tzm4M