Labcon robotic pipet tips for Beckman® FX and NX are designed and tested to fit your workstation. Made from pure pre-tested medical grade resins to ensure the integrity of your work. Each lot is tested and certified free of RNase/DNase (Nuclease), Human DNA, and Endotoxins (non-pyrogenic). 90ul capacity. Packaged 384 tips per rack, 10 racks per package. 3840 tips per package. Made in USA.