The Biopette™ Plus Four Pack Starter Kit is a complete liquid handling package including everything needed to get started with accurate and reproducible pipetting. Exceptional Value Includes Four Biopette™ Plus Pipettes BioFree™ Pipette Tips, Carousel Stand and Calibration Tool Also Included Unlike many common liquid handling starter kits that include 3 pipettes, the Biopette™ Plus 4-Pack Starter Kit includes four pipettes covering a wide volume range of 0.5µl to 1000µl (0.5 to 10µl, 2.0 to 20µl, 20 to 200µl and 100 to 1000µl). The Biopette™ Plus 4-Pack Starter Kit also includes three racks of Labnet's new BioFree™ Pipette Tips and a six position carousel stand. Product Specifications Volume Range Accuracy Precision 0.5-10 μl ±4.0 to ±0.5% <4.0 to <0.4% 2-20 μl ±4.0 to ±0.8% <3.0 to <0.4% 20-200 μl ±1.2 to ±0.6% <0.6 to <0.3% 100-1,000 μl ±0.9 to ±0.6% <0.45 to <0.25%