These lancets are precision sharpened to deliver maximum comfort for as painless a finger stick as possible. Easy twist-off cap keeps the lancet sterile until ready for use. They have a universal fit making them compatible with with most lancing devices.
The larger the guage, the smaller the needle is. So, 30G is a smaller needle than the 28G, but the 28G will draw more blood.
Both are universally compatible with most lancing devices including one touch verio, accu chek guide, accu chek, impact factor, verio con touch, freestyle lancets, true metrix, walgreens lancets, and cvs lancets, and more
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