Dont lose your velocity adjustment Allen Wrench!
We have a new way to keep your allen wrench handy!
Clips onto any standard 38-40mm mask strap
No Extra tools or assembly, just weave the retainer around the strap and go!
Each Chrono Clip will include your Allen Wrench!
1/8" Ready to ship!
5/16" Will be dialed in 2/15!