1.made of ABS,PVC,65# steel wire. 2.bound card 3.steel cable(steel rope,steel wire rope) Size:10x1000/1500/2000mm 12x1000/1500/2000mm1. The joint: aluminium alloy2. Socket: A3 iron, zinc alloy3. Plastic pipe: PVC4. Steel wire: 45#steel/65#steel5. Surface finish: zinc plating6. Stretching resistance: over 1000-3000N