specification: 1 X wire threader 2 X puller Material: Antioxidant plastic / steel size: Threading device length 15m / steel length 12.8cm, cable width 3mm Features: Cable threader, small assistant in your life, anti-oxidation plastic, with steel interface, let you arbitrarily through the pipeline wiring installation and lead wire (diameter less than 20mm diameter). Worry-free after sales: When you receive the product does not like, the use is not satisfied, the effect does not achieve the effect you want, the product supports return refund.