________________ are single dumbbells that are held independently in each hand.

Single dumbbells that are held independently in each hand are versatile and widely used equipment in strength training and fitness workouts. They are commonly used for various exercises, including bicep curls, shoulder presses, triceps extensions, and lunges. Single dumbbells allow for unilateral training, which helps improve balance, stability, and overall muscle strength. They are available in different weights to accommodate different fitness levels and goals, making them suitable for beginners and advanced users alike.

The term you are looking for is "dumbbells." Dumbbells are weight-training equipment that consists of a short bar with a weight on each end. They can be held independently in each hand for various exercises.