The Viavito Olympic dumbbell bars with collars are designed for heavy duty, free weight training sessions, and lifters focused on building a stunning physique, as well as progressing their strength gains. The bars are compatible with Olympic size weight plates, boast a durable steel construction, including enhanced corrosion resistance thanks to the chromed finish. The bars offer an excellent control over each stage of the repeated motion thanks to the knurled handle surface - moist or sweat wont hinder the grip, thus ensuring maximum safety. Furthermore, the bars are supplied with two pairs of collars designed with bent L screw for optimal fit and secure placement of the weight plates during intense workouts.