Corning® Universal Fit polypropylene pipet tips are designed to assure a reliable fit with all major brand pipettors. 1-200µL sizes are graduated at the 10, 50 and 100µL volumes. 100-1,000µL sizes are graduated at the 250, 500 and 1,000µL volumes. Bevelled orifice helps ensure accurate fluid delivery. Racked tips offer exceptional durability - all Corning® tip racks stand up to the demands of use with multichannel pipettors and withstand repeated autoclaving cycles. Racked tips are certified RNase-/DNase-free and nonpyrogenic and are offered in sterile or non-sterile. Bulk packed tips are non-sterile and are packaged 1000 tips per bag.