50pcs/lot Blood Lancet pen Disposable Needles Massage Stick Use For Pen Sterile Lancets Drain Blood Lancet 23G Product Description The outer diameter of the lancet: 23G 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 1. Due to different monitors and lighting effects, the actual color may be slightly different from the image 2. Due to manual measurement, please allow 1-3cm deviation Size: Needle thickness 0.65mm diameter Shipping color: blue Quantity shipped: 50