This is the Clevis found on the old Meyer Custom Classic mounts. It is where the plow pins onto the truck undercarraige. The hole in it is approximately 5/8". MUST BE WELDED ON. GENUINE MEYER. By now many Custom Classic mounts have very worn or stretched holes in the Clevises. Here is the answer as parts for the Custom Classic mounts become obsolete. Sold EACH. Scroll through all the pictures for more views and info.