To further enhance the quick change ability and usefulness
of the “Ferry Style “Common Grid system, RotoMart has created a "Grate
Grip" quick mounting system that is designed specifically for the Ferry
Style Common Grids. This system provides for both quick, time saving
installation, and eliminates the necessity of reaching under the grid to
install the securing nut and washer. Now, one operator can easily install the
system that fits snuggly over a standard bottom mold frame.  Simply push
the receiver hook through the opening between the angle iron structure of the
grid , rotate the hook 90 degrees and secure the mold from above the grate.
When it comes time for removal, the process is reversed, again by only one
operator, and all from above the grate. This new "Grate Grip"
mounting system will make your Ferry Style Common Grids even more efficient by
allowing you even faster mold changes times than with the current bolt and nut
process.

This style works with 1.5" x 1.5" tubing
on the molds and the Ferry Style Common Grids, some people also call them the Ferry
wagon wheels.