ERGONOMIC GRIP: The Phoenix Fitness Dumbbells are ergonomically designed to support your hand grip and offer extra comfort during your exercise workout routine. IDEAL WARM UP: Our dumbbells are brilliant for warm-ups and general exercise to get your muscles moving and heart pumping. Feel the burn with the selection of weights. UPPER BODY WORKOUT: Excellent for upper body workouts to help develop the deltoids, pectorals, triceps, and biceps. The dumbbells are also great to increase endurance.