Safety Lancets do not require a Lancing Device. They are one-time use lancets for optimal blood sampling. They are to be disposed of after one use. Ergonomically designed Safety Lancets for individual use.Easy to carry with anti-skid body design to ensure safety grip.Easy to use just twist and pull off the protective cap, please it on the puncture site and press to collect blood sample.28G Sterile Safety Lancets with extra sharpened needlepoints to minimize discomfort.Defined penetration depth at 1.8 mm for optimal sampling.Well controlled small penetration area for precision. Needle automatically retracts and locks to eliminate re-use and cross-infection for ensured safety.Convenient storage with 5-year shelf life.