Manufacturer: Medipurpose Surgilance safety lancet 21g yellow, 5 to 10 ul blood flow, mmd. Offering simplicity and single-use safety. Its innovative design protects users from needle stick injury and the unique one-step activation mechanism makes it extremely simple and reliable to use and is available with either a needle or blade. Features: -No arming required. -Once the lancet is used, it is rendered inoperative, providing added safety for patient and clinician. -Patented design makes blood sampling the easiest and safest method. -Once the lancet is used, it is rendered inoperative providing added safety for patient and clinician. -Hypo-allergenic.