LESS PAIN TO USE. The lancets are designed with smooth tri-beveled tip sharpened needles to minimize skin trauma and discomfort, less pain for blood sampling..SAFE TO USE. AUVON Lancets are medical grade gamma sterile lancets for optimal safe and long-lasting shelf life..COMPATIBILITY. Fit most standard lancing device allowing you to comfortably save no matter what lancing device you prefer..EASY TO USE. Soft twist off lancet caps makes it easy to use, just twist and pull cap..WHAT YOU RECEIVE: 300 x 30 Gauge Twist Top Blood Lancets. Our 12-month warranty, and friendly customer service.