The Accu-Chek Safe-T-Pro Uno meets safety and hygiene requirements as it helps to eliminate accidental finger sticks, thereby preventing cross-contamination between patients, as well as providing optimum infection control. Safety and Hygiene: Simplicity: It is intuitive and easy to handle. Single Use only Number of depth settings: 1 Protrusion depth: 2.0 mm Needle Diameter: 0.63 mm (23 G) Special Needle Cut: 3 facets, similar to Softclix Sterile: Gamma radiation Automatic retraction of the needle: Yes Weight: Max 4 g Lancing time into air: Max. 3 thousandths of a second Material: All comply with relevant ISO standards Needle: Stainless steel Coating of needle: Silicone Dow Corning Medical Fluid Trigger button, sterility cap, casing: Polypropylene Springs: Polypropylene