The top hat is painted steel. The aluminum bits are supposed to be hard anodized. The finish should not just scratch off. I took a 3/8 M6 hex socket and ground it down to fit snugly in the adjusting collar instead of just using an allen wrench.
The top hat is painted steel. The aluminum bits are supposed to be hard anodized. The finish should not just scratch off. I took a 3/8 M6 hex socket and ground it down to fit snugly in the adjusting collar instead of just using an allen wrench.