Checking your blood sugar is an essential part of diabetes management. These thin lancing needles are 28-gauge and designed to be used with the Softclix lancing device (sold separately) to collect a blood sample. With 11 depth settings and precision guided technology, the Softclix lancing system makes testing easier and more comfortable. For over 40 years, Accu-Chek has been a leader in providing convenient and accurate diabetic management supplies.