Disposable rings and needles (combinations) are smooth and soft, which help to form streaks evenly, without damaging the surface of the gel.
Made of high quality ABS plastic, durable and sturdy, not easy to break Accurate sampling quantity design ensures uniform sampling quantity Safe, resealable and repeatable sealed bag for aseptic packaging
Package includes: 10 x 10ul Sampling Rod Disposable Inoculating Loops
