Check the listing for details. NEW Oxford 20uL, 50uL Multi-Range Micro Pipette P-8000 Precision Sampler Pipet. Condition: New. Listed at 14.99 USD. New surplus. We're overstocked!New and complete with instructions and accessory packet. Box may show shelfwear. TWO PRECISION VOLUMES IN ONE PIPETTEUniversal Tip Compatible: Use any universal 200uL tips! P/N 8885800303Multi-Volume: 20 uL, 50 uLManufacturer calibrated Made in USA by Oxford Labware Use 200uL bulk tips The Oxford Multi-Range Sampler instrument is equipped with two, or three calibrated volumes; a volume is chosen by positioning the plunger handle so that the desired volume marking (displayed in milliliters) aligns with the volume position marker. Volume changes are made by simply depressing the plunger knob to its lowest position and rotating to the desired volume. The volume position marker always points to the volume in use.