21-09-2020, 08:27 PM
(This post was last modified: 21-09-2020, 08:29 PM by Colin Morgan.)
Had a closer look from underneath and used a wire brush to remove the mud. I think Gary is right. What looked like a 'collar' measures 0.625" O.D., which is the major diameter of the 5/8" mounting bolt, so the bracket is does flex to trap the bumper iron, gripping it as the bolt is tightened.
Colin
Colin