Sterile, Non-Toxic</br>Latex Free</br>Thin Wall Cannulas for an Easier Flow</br>Compatible with all insulin and non-insulin pens</br>Triple-Bevel Cut for a Sharper Point</br></br>Product Description</br></br>These pen needles may be used as replacement needles for insulin pen delivery devices. They are non-toxic, non-pyrogenic, and sterile.</br><br/>http://www.amazon.com/gp/product/B00OGO63FC