Fine Blue Vision Needle have fine workmanship & smooth soldering. Each needle has passed the strict inspection of high magnification microscope, to ensure that each pin has high quality and efficiency. With sterilization instructions sheet,and ethylene oxide sterilization treatment, it is safe and healthy, and can rest assured use. With clasp- hands design, it is easy to take needle from packing box. Tips are more sharp, and quicker to break the skin. Also they can line longer with J&J tips.