MT Shooter wrote:
3021 leg lock levers are not metal, they are all plastic. Two styles depending upon the age of your tripod. Single ramp levers are now obsolete and impossible to find new. Double ramp levers are the newer style and are still available from Manfrottospares.com
Nope - double checked. They are a microcrystaline kind of metal. They kind my father used to call "pot metal" probably a low temp casting. It is non ferrous but absolutely metal.