Patient was instructed on supplies that will use for blood glucose meter - reads blood sugar Test strip - collects blood sample. Lancet or small needle -fits into lancing device, pricks finger, and provides small drop of blood for glucose strip. Lancing device - pricks finger when button is pressed. Most devices have dials to select how deep the needle goes into the skin. Start with middle depth. If get more blood than needed, dial the number down so the lancet does not go as deep. If get less blood, dial the number up so lancet goes deeper. Alcohol wipes or soap and water - to clean fingers or other testing site.