... Specification and manufacture capacitySpecification: I-type: one ply wire; II-type: two ply wire; III-type: three ply wire.Inner diameter: 6, 8, 10 ... , 13, 16, 19, 22, 25, 32.Unit: mmStructureIt is mainly composed of inner rubber ply ... , middle rubber ply, outer rubber ply and I, II and III wire braiding ...