Feature<br> Strong spring and instaneous needle release. Automatic retraction and continuous lancet insertion.<br> Deep puncturing and flexible adjustment to suit various skin types and pain thresholds.fit for Human and Animal.<br> Reduce lancet impact by loading up to 7 lancets at a time, obtain enough blood to increase efficienty.<br> Aluminum material make it lightweight and easy to use.<br> EASY TO USE: Blood collection pen can single needle, multi needle can be, blood lancing pen simple operation, convenient and safe.<br> Notice:<br> 1.Actual color may be slightly different from the image due to different light effect<br> 2.Please allow 1-3cm deviation due to manual measurement<br> <br> <br> Size: 139x25mm<br> Material: Metal<br> Package List:<br> 1 Set Blood Lancet Pen