hp latex 54 plotter blades

Hello someone can please help me im trying to buy 60 degrees blades for my plotter we recently bought ones but they did not fit our plotter anyone knows were i can get them Im desperate now after a 3 month waiting for them to get here and they where not the ones. My clients are looking for another supplier now Please HELP

 

thanks I see what they say I live in Costa Rica kind of looking of a place in amazon or whatever to buy

 

Thank you