Orbi-Shaker MP Microtube Adapter, 20 x 1.5/2.0mL for microplate shakers (BT1500 & H6004), Cat. No.: BM-BT1502-A1520, The Orbi-Shaker MP™ is designed with a 3mm mixing orbit, optimized for thorough mixing of microplates and/or PCR plates. Up to four plates (standard or deep well) can be placed on the included platform and are instantly secured WITHOUTut the use of springs, clamps or tools.