MICROLET Lancets - 25 gauge needle Microlet Lancets are sterile lancets for use with Microlet and Glucolet Automatic Lancing Devices. MICROLET Directions: Insert lancet, twist off the protective cap After use, place the protective cap on flat surface with Bayer Logo facing down. Push lancet securely into the middle of the exposed side of the cap. With thumb, push release button or plunger cap to expose lancet. Grasp lancet body and remove. Discard.