HI Red, Unfortunately I don't have a link to the ocb I used... However; if you have a scuba dive shop near you, you could call and ask for a tank strap with buckle for a bcd ( buoyancy compensating device). It is the vest you add air to to maintain neutral bouyancy. I have 2 bcd's and used that for my steps... Maybe Amazon...?!?! I'll check into it as I'll have to replace the one I used.