The QR Plate Pack 3K from Joby can be used as a spare or replacement plate for the 3K and SLR-Zoom ball head and the GorillaPod 3K and SLR-Zoom tripod kits. The plate has a built-in bubble level to balance your camera, and the pack includes a cold shoe and pin joint mount, so you can attach an action camera.
Compatibility
Ball Heads
JB01513 Ball Head 3KJB00131 Ball Head for GorillaPod SLR-Zoom
Kits
JB01507 GorillaPod 3K KitJB00134 GorillaPod SLR-Zoom Kit