Control D Comfort Lancets have tri-beveled tips and eletro-polished for maximum comfort. The lancet cap is specially designed as a star to allow ease of twisting and removal. 30 Gauge Needle Blue Color Stainless Steel Works with most of the Lancing devices except the ones which use Flat Lancets. Buy only for devices which use Round Lancets. Sterilized & Enclosed in Sealed Bag Glucometer Lancet