Professional Grade Dumbbells ProfiSTProfessional Grade Dumbbells ProfiST have balanced chrome coated bars with an anti slip grooved grip to ensure balance in your hand even during more demanding exercise sessions. The plates marked by their weight are attached to the bar by an inner hex screw. The plates have a special sweat and moisture resistant coating. Because of its precise design, robust frame and high durability, the Single Handed Dumbbell ProfiST is suitable for intense workouts