Relevant hair: wet and dry Thermal conductor content: eco-friendly alloy Thermal conductor diameter: 16MM-20MM Temperature Regulate adjustment: 3 sections These needles are the right length, and will not puncture the liners if adequately used WARNING: Item cannot be returned or exchanged if liner is weakened or punctured as a result https://damienfbfuu.blogthisbiz.com/37055239/the-5-second-trick-for-speedflex-adult-large