MediVena ONE-CARE Universal Blood Lancets feature ultra-thin 30G needles for gentle blood sampling. Tri-bevel, electropolished needle tips provide enhanced comfort for users. Universal design ensure compatibility with most lancing devices available in the market, including Microlet, Freestyle, Penlet Autolet, TRUdraw and others. ONE-CARE lancets are not for use with lancing devices requiring proprietary lancets, like AccuChek Softclix, Fastclix, Multiclix, and OneTouch Delica.