Product Features：
Porcelain wheel for enameled wire to change the direction and appropriate guidance. The middle of the ceramic made by the precision ceramic, groove ultra-fine throw Ra0.2, porcelain filled with high-speed bearings, enameled wire and porcelain between the delay sliding distance of less than 0.2mm, protective film and ensure that the enameled wire beating Very small range. Cylindrical roller on both sides of the baffle design to prevent winding wire when the wire out, while the tension when the winding to maintain stability.