Koolertron 15mm System Handle DSLR Cage Baseplate For BMCC BlackMagic Cinema Camera/Production Camera 4K Two Tone Anodized Matte Paint.Steel Inserts. Cage and Baseplate each have 15mm Rod Support. Ergonomically Carved Wooden Handgrips. Quick Release Top Handle with two Hot Shoes. Multiple Mounting Points. Baseplate Weigh W/O Rods.1/4 and 3/8 Camera Mounts.