These sterile, disposable scalpels from HydroFarm are used for accurate, clean cuttings. Each box contains 10 individually wrapped scalpels. On the scalpels' handles are marked measurements in centimeter increments, ensuring precise marking and cutting. Each blade is sterilized, so there's no worry about infecting precious cutting stems. Get a precise cut with these HydroFarm HGSCALP disposable scalpels today!