... surgical blades with plastic handle 3. Specifications: No. 10, 11, 12, 14, 15, 18, 20, 21, 22, 23, 24, 25. 4 ... stainless steel handle 6.Blade models available:3,10,11,12,12d,13,14,15,15c,16,17,18,19,4 ... box 8.Way of sterilization: sterilized by Gamma Radiation. Sterle Scalpel