The caltrop popular name punctures the rope, the barbed wire. The most commonly used thorn rope model is 12#x14# the 14#x14# pairs plants the processing craft to include: The galvanization (plates coldly), pot galvanize, soaks models the use: Mainly uses in corresponding professions and so on equipment, medical instrument and woven mesh, brush, steel wire, mesh, high pressure tube, building, handicraft.