What are good arm workouts to do at home with dumbells?

Can you answer masuda h’s question about Bodybuilding?:

Hi, I play baseball and am a pitcher. I am a highschool freshman. I already go to baseball conditioning but I want to work on my arms on the days I don’t have conditioning. Yes I already know that arms are not the only thing I should work on but I already work on my legs. So my question is, Are there any good exercises to do at home with dumbells to work on my arm, forearm, or shoulder for pitching? Also right now I am doing military press and forearm curls with dumbells. Will that help any?
anybody?????
anybody????

Cardio After Weight Training