Benecheck strips (Pack of 25 strips) (Uric Acid Monitoring Strips) which are used for measuring uric acid level in capillary whole blood. These Accurex Uric acid test strips are individually sealed in air-tight foil packets to protect against light & moisture for maximum storage life . Each box of 25 individual strips comes with its own code chip, which fits in the Benecheck meter. This code chip is calibrated to each box of strips, ensuring maximum testing accuracy.