Beaver Mini-Blade #64 (Beaver6400). Beaver Mini-Blades are manufactured using a proprietary grindless technology that yields consistent sharpness and blade geometry designed to meet all small incision and excision needs. Beaver Mini-Blades are pre-assembled into a unique, patented tip, designed for safe assembly and ease of use. No direct contact between fingers and blade or tip. Each Mini-Blade is color coded GREEN for easy identification. 20/BX.