... , mail end beads 2,femain end beads Industry ceramic bead,ceramic bead for pad heater,heat treatment accessories,main body,main body ... with hole,male end bead,female end bead,tail bead 1, we can produce any kinds of ceramic ... pad heaters are constructed of 80/20 Nickel / Chrome Multi- strand wire, insulated with inter-locking sintered alumina pink ceramic beads ...