Looks like standard 1" tubular you can find anywhere that sells rock climbing gear.
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willydiver:A high percentage of divers that drown while diving are found with their weight belts on.
WD
jonnythan:It will cost approximately 2x as much to buy from DiveRiteExpress (.75/ft) vs locally (generally .35/ft).
rat314:Kidspot;
Just wanted to say that that is one fine looking Beagle in the Pic with you. I could sure use him here in SouthWest Missouri out hunting Rabbits. Nothing like the music of a Beagle on a scent trail.