VWR 0.1-10ul Pipette Tip Micropoint, Graduated Clear Low-binding tips feature a modified polypropylene resin that limits the adhesion of cells, rDNA, and other viscous materials. For use with most micropipettes Sterile tips are endotoxin-free Tips and hinged boxes are Fully autoclavable to 122 C (252 F) All tips are RNase- and DNase-free. Low-binding tips are also protease- and human DNA-free.