The 6-inch (152mm) Platform can be used with the Vortex-Genie 2 family of mixers and the Vortex-Genie Pulse in conjunction with either the Microtube Foam Insert (Part No. 504-0234-00), Microplate Foam Insert (Part No. 504-0235-00) or Two-Tier Microplate Foam Insert (Part No. SI-0510). The 6-inch Platform is included in the Multiple Sample Starter Set (Model H301, Part No. 504-0233-00)