This is a 5x5x5 Hybrid Cube Mold, double-ended (Gen3).   Its overall OD is 7H x 7W x 6L, its ID is 5.25 x 5 x 5.  This mold features a .25 inch headspace to make moving the mold easier when full.  
 
This mold features Double removable end caps.  This mold allows both end caps to be removed without the use of tools to help facilitate removal of casting.
 
This Gen3 mold incorporats a reusable/replacable gasket sytem made from a very tough polymer.  This system eliminates most leaks or seeps at the cap, which can be a problem on tall or larger-volume molds.
 
All Hybrid Sphere molds cast a Cube Shaped Blank that can be turned on a Lathe into a Sphere.  It does not produce a Round or Sphere-shaped object.