Tips have ultrafine, unbeveled points and are graduated at 2 and 10µL. Low-binding tips feature a modified polypropylene resin that limits the adhesion of cells, rDNA, and other viscous materials. All tips are RNase- and DNase-free. Low-binding tips are also protease- and human DNA-free. Sterile tips are endotoxin-free. Tips and hinged boxes are fully autoclavable to 122°C (252°F).