Devardi Glass 12 Lbs, Lampwork, Beadmaking Glass Rods, COE 104 Sampler Devardi Glass Rods COE 104, soft glass. Beautiful color selection. Random selection of rods from the pictures above and many more. Sizes of the rods vary from 6-10 mm thick and 8-12 inches long. 12 lbs (145-150 rods) Use with an all propane/Mapp torch, or propane/oxgen torch. Make beautiful glass beads, marbles and other items fast. Please click the blue "Devardi Glass" above to see all our listings.