Blue color-coded design for easy gauge identification. Features gamma-sterilized 23-gauge needles, fully covered and protected with a sterility tab. Reliability provided by optimized needle exposure of 1.8 mm fixed depth to guarantee adequate blood flow. Electro-polished, silicone-coated needle with high puncture speed minimizes pain and facilitates healing for gentle finger tip sampling. Easy-to-handle, retractable design features an intuitive, 2-step operation with low firing force and no lancet loading required.