Originally Posted by Johnscubanut
Oh OK, I wasn't aware they had changed from metal to plastic? Bet they are tough though!
You're right ,,,, not quite std pvc ! : Very strong, no corrosion and very well made/machined. I have had one in my stab jacket pocket for years and all dry as a bone inside.
I think Custom Divers told me they were made of delrin but I could be wrong. Easily done !