PRONATOR- Build Arm Strength Using Any Dumbbell You Can Find

PRONATOR- Build Arm Strength Using Any Dumbbell You Can Find

• The Pronator challenges muscles 11 times more than holding a dumbbell in your hand
• The designed cut out allows you to attached resistance bands
• Patented locking mechanisms allows you to quickly change weights and switch exercises
• The Pronator can safely hold any dumbbell up to 30# that you already own
• Ideal uses are for building arm strength to preform you best in baseball, golf and tennis or recover from an injury