Checking your blood sugar is simple and easy using Accu-Chek Guide test strips. Get fast, accurate results you can trust with only a tiny drop of blood. Designed only to be used with the Accu-Chek Guide, Guide Me, and Guide Link Meters. Not compatible with other glucometer testing devices. For over 40 years, Accu-Chek has been a leader in providing convenient and accurate diabetic management supplies.