Dive master 500 safety clasp Pin is there a special name for this pin? I need to replace the pin it broke. 1. Where to go to replace the pin for parts prefer black 2. Is this a DIY replace/repair without special tools 3. Can I use the heads off the old pin since this is the PVD/Gunmetal finish. 4. Does somebody make ZULU/NATO strap with a deployment clasp?