Comprehensive Package: total of 90 replaceable nickel inoculation rings to meet your different needs Easy to Operate: Comfortable handle design, the grip part is flexible and soft, providing a safe and firm grip during use, reducing hand fatigue and enhancing experimental safety Good Stability: Rod is made of copper, chrome-plated surface, with plastic tube, enhances product stability, strong oxidation resistance, high temperature and corrosion resistance Reusable: Loop is made of nickel-chromium, can be quickly cooled after high temperature sterilization, can be reusable Wide Application: Inoculation ring slides along the surface of the AGAR, without cutting or tearing the material, suitable for scientific laboratory and teaching research such as AGAR plate mycology<br><br>How to choose inoculation loops? Disposable plastic inoculation loops: ready to use after unpacking, easy to use, no need for repeated disinfection, save working time and improve experimental efficiency; heat on an alcohol lamp and cannot be reused Nickel-chromium Alloy inoculation loops: high temperature resistance, long service life, can be heated on the alcohol lamp, reusable Colour: As Shown Material: Nickel-Chromium<br><br>Package Contents: 2 x metal handle(22cm/8.8inch) 40 x 5mm Inoculating rings 50 x 3mm Inoculating rings