This document is the 15" Solid Locking Cover Assembly Nyloplast Detail. It shows illustrations with descriptions.

The side view illustrations show the 15” cover frame & 15” solid cover with ¼-20 x 1 ¾” long hex bolt zinc-plated steel. The top down view shows the solid cover with drill thru position and the frame drill thru thread position.

A note states that the location of locking device may vary.