Devardi Glass Lampwork, Beadmaking Glass Rods, COE 104 Mixed Charcoals 1 Lb, 14 Rods Devardi Glass Rods COE 104, soft glass. Beautiful Mixed Charcoals selection. Random selection of rods, Transparents, Semi-Transparents, Opaques. Sizes of the rods vary from 6-10 mm thick and 8-12 inches long. 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.