Surgical steel ball clap ring • Material: surgical steel • Can be used very variably due to simple exterior • easy handling • can be sterilized without any problems • The raw material used is known for its particular color fastness and material resistance • Can easily be used by allergy sufferers • with high-quality PVD coating (abrasion-resistant coating) PVD = Physical Vapour Deposition (vacuum-based coating process) • Using physical processes, the starting material is converted into the gas phase. The gaseous material is then passed to the substrate to be coated, where it condenses and forms the target layer.