Foba Adapter for Griphead Tweet Description Foba's Combitube components form a system of aluminum tubes and connections which allow a myriad of studio support structures to be created. This Foba Adapter for Griphead allows the Combitube system to be used with all normal gripheads with a 5/8" (16 mm) receiver. Details Additional Category Tags: Mounting Hardware, Studs, Receptors & Pins Category: Lighting & Studio Manufacturer Catalog Number: F-COBLA Model: Foba COBLA Product Manufacturer: Foba Subcategory: Light Stands & Mounting