Babolat Custom Damp Tennis Dampeners feature the Babolat logo in assorted colors. These dampeners filter out vibrations from the string bed while preserving the original sound. You can add a capsule with tiny steel beads to adjust the Custom Damps level of absorption. It is ideal for excellent players who want to adjust the dampener according to their needs. Babolat Dampeners has 48 Units is the perfect product to reach your tennis & padel goals. Additional dampening with the insert fastening notch secures the dampener so it stays in place after hits.