Rigotti Convex steel oboe plaque
I am a fan of the convex plaque. I feel that they don't put as much pressure of the reed while scraping. The steel is much harder on the knife than a plastic or wooden plaques, but it lasts longer.
Rigotti Convex Steel Oboe Plaque
The steel plaque is the hardest metal used for plaques. It is less flexible and doesn't scratch as easily.
