Devardi Glass Hot Professional Lampwork Torch Head for Beadmaking Glass Rods, COE 104 Devardi Glass Lampworking, Beadmaking Propane or Mapp Gas Torch. Quickly melts soft glass for making all kinds of beads and other jewelry. Professional Lampwork Torch, designed specifically for melting soft glass. Please click the blue "Devardi Glass" above to see all our listings.