Sterile, stainless steel microsharp point provides quick, clean puncture. Straight side easily spreads blood on glass slide.Manufactured of cold-rolled, chrome-polished, stainless steel. Precision engineering assures accuracy to within 1/100mm in thickness, along with superior hardness and point sharpness. Individually wrapped, permanently sealed. Designed for one-time use. 1.5mm wide point is 3.8mm long.