Throw the metal catcher in the trash where it belongs. No need to have two catchers, especially after you spent the time installing the roller. The downsides to the metal catch? Many. For starters the chain gets buggered up every time you throw it. I’ve had saws break the DL off the bottom of the chain or leave burrs on them from hitting the metal catch. (FYI I don’t condone removing the metal catch and running no chain catcher, extremely dangerous. You need something there). My point is that a roller works a lot better, especially in a heavy duty logging environment.
This is a Euro spec, so it never had the roller, just the little metal tang. I'm not a big fan of the ceramic roller since it is so easy to bend the rod it's on and makes it a pain to put the cover back on.
