They have a textured coating made of high-quality, impact-resistant rubber. Their ergonomic design includes special handles that make gripping easier. They also come with a tool that facilitates the removal of the plates from the bar and the lifting of the plates from the ground. The inner hole measures 50 mm and is protected by a steel ring, allowing for smooth rotation of the plate on the bar. For easy weight identification, the plates display the weight in raised and colored form. Sold individually.