Test bar for sugar measurement. Call Plus is suitable for use in sugar measuring devices. This product is designed for use in the on Call Plus sugar measuring devices. On Call Plus Sugar Measurement Strip offers a reliable method to measure the blood sugar levels of diabetics. These test rods allow the user to take a small blood sample from a point such as fingertip. After applying the example to a special area on the test bar, the on Call Plus Sugar measuring device analyzes this example and shows the blood sugar level on the screen. Each strip is designed as disposable and packed in a sterile way. In this way, users can always make a clean and safe measurement. On Call Plus Sugar Measurement Strip is compatible with only on Call Plus sugar measuring devices, unlike other sugar measuring devices. Users should use these bars only with devices they are compatible with.