Blade number:22, Disposable Premiere* Blades are made of high carbon steel, individually foil wrapped and sterilized by gamma radiation. 10 per pack; 10 packs per box, For number-4 scalpel.
Tests For: Glucose, Protein, Ph, Blood, Ketone, Bilirubin, Nitrite, Urobilinogen, Specific Gravity, Leukocytes. Low-Carb Dieters Use These Strips To Monitor Ketone Output In Urine Which Can Be An Indicator Of Diet Success.