1. Guide wire is FDA510K certified 2. PTFE, 3cm flexible tip, S tip, 0.038"x150cm; 1. 3 cm flexible tip makes tip easy to deflect;2. Supportive proximal shaft increases pushabality;3. Guide wires of other specifications are also available (such as: Straight tip, 0.035in, 0.032in, 70cm, 150cm, 260cm etc.) . Guide Wire (0.038"x150cm S-tip)