Key components such as guide rail ,screw mandrel, Ratchet rod are import from Japan. The Rotary microtome YD-315 is ideal for most routine histology, biological and industrial needs. High precision & stability ensures exact reproducible section quality in wax and plastic embedded sections. Product specifications : • High precision specimen feed • Universal cassette clamp and standard specimen clamp • The hand wheel can be locked in any position or highest position , The dual fail-safe control system is safe and reliable • It adopt the special blade holder , it is more safe and convenient to use the disposable blade directly . good durability and long service life • Smoothly running handwheel • Spacious, integrated section waste tray