CareSens Sterile Single Use Ultra Thin 30G Lancets (100 Counts) Minimizes Skin Discomfort and Pain Gamma sterile lancets for optimal safe and prolonged shelf life, disposable safety lancets for diabetic testing. 30 gauge lancets of ultra thin sharpened needles minimizes skin discomfort and trauma. Painless lancets for blood testing. Twist off lancet caps makes it easy and a secure way to dispose after use. Our blood lancets fit most commonly used lancing device including our CareSens Blood Glucose Monitor Kit.