White acrylic racks support single channel pipettors. Compatible with Gilson Pipetman®, Eppendorf Research®, Eppendorf Research® plus, Eppendorf Reference®, Oxford Benchmate®, Brand®, Sealpette, and Biohit® Proline; Rainin® Pipet-Lite®, Pipet-Plus®, and Classic. Will also hold other brands. Shipping weight: 3 pounds.