Product Description Color:As picture shown The outer diameter of the lancet:28G Instructions for use: 1. Get to twist off the protective cap 2. After using the lancet needle tip is inserted after the protective cap and placed within a special closed gas note: 1. Do not reuse lancets 2. Do not leave any blood lancet pen 3. Before using the protective cap has fallen off, do not use the lancet Packing:50Pcs