The Covaris® M220 microTUBE Accessory Kit is the perfect starting kit for Ion PGM™ users. It enables tight DNA fragment distributions tunable between 150 and 1,500 bp. The kit includes a microTUBE holder, 25 screw-cap microTUBEs optimized for 50 µl samples, and 25 snap-cap microTUBEs optimized for 130 µl samples. The kit also includes a preparation station easy loading and unloading of sample into microTUBEs.