This document is the 10" Dome Locking Grate Assembly Nyloplast Detail. It shows the grate illustrations with descriptions.

The top down view illustrations shows the 10" dome grate, drill hole thru,10" ductile iron grate lock bar and ¼-20 x 1/2” long socket head cap screws (allen head) black steel 2 places. The side view shows the ¼-20 x 6” long hex bolt zinc-plated steel and drill hole thru 2 places.