Roche Diagnostics CoaguChek Lancet Devises (4348150001). The single-use devices are easy to use and offer an exclusive wing-tab design that prevents reuse and accidental fingersticks during disposal. Easy-to-use device offers safe, simple two-step testing. T-shaped safety wing tabs break after single use to help reduce accidental fingersticks. Lancet permanently retracts into protective case after use to help prevent cross-contamination and offer superior infection control. (1.8mm, 23G). 200/BX. Priced per box. FREE Shipping!