Polypropylene tips fit the 16-channel Finnpipette® pipettors, which are compatible with 384-well plates. Very small but very straight, these extra-fine tips are supplied in special heavy racks designed to withstand use with automatic pipettors. Racks feature closed-well structure and lift-off lids. Certified RNase- and DNase-free. Sterile tips are also certified endotoxin-free.