... Zirconia Ceramics Application:hair dividers, crimping iron, rollers, perm rollers, electric ply wood, 1)Material:Corundum, mullite, ... , Zirconia Ceramics2)Variety: hairpin ceramic plate, glass ceramics, curly hair ceramic tube, clipper ceramic cutter, constant templerature scissors/shears ... used for hair dividers, crimping iron, rollers, perm rollers, straight hari dividers, electric ply wood, ...