本体采用超硬铝材料，重量轻，强度高，刚性强，使用寿命长
4/8针的设计，客户根据产品本身的需要选择合适的型号
It,s made of superhard aluminum, with light weight, high strength, strong rigidity and long operation life
According to the products requested, customers could choose the best option for 4 or 8 pcs of needles
