Hard alloy nozzle : the product is made precisely of hard alloy and enjoys the hardness up to hra90 . two terminals and inner hole are all receive mirror surface treatment to ensure enameled wire makes no scrape 超硬质合金线嘴：此产品以超硬合金为材料精密加工而成，其硬度高达hra90以上，此产品两端及内孔全部为镜面加工，以保障漆包线不被刮伤。
