BenchRocker 3D Nutating Shaker, variable speed, 12"x12" platform with 2 mats, 230V, Cat. No.: BM-B3D2300-E, The BenchRocker 3D is designed to provide the precise speeds and tilt angles required for a broad range of molecular and biological mixing applications. The user can adjust both parameters to match the vessel size and the volume of liquid being mixed, yielding optimum results. Proprietary InstaTilt™ technology means no tools, no disassembly. Simply grip the platform with two hands and move to the desired position.