Usage Tips:Features: Engineered with premium silicone, these tennis vibrations dampeners effectively reduce racket vibrations to enhances performances, ensuring stability and precisions with every swing. The ergonomic design and durability silicone construction absorb shock while maintaining optimal string tension for consistent ball control and improved shot accuracy. Ideal for tennis enthusiasts of all skill levels, from casual players seeking comfort to professionals requiring tournament grade equipment for competitive competitions. Perfect for intense rallies or extended practice, these dampeners minimize arm fatigue during high impacts play while preserving racket integrity. Designed as essential tennis accessories, these shock absorbers protect against repetitive strain injuries by dispersing vibrations energy, helping players maintain performances throughout competitions.Specifications: Color:8 ChoicesDimension:2.1cm/0.82inComponent:siliconesPackage Includes: 12pcs Tennis racket silicone shocked absorbernote: 1.Please allow 1-2cm errors due to manual measurement, making sure that you will not mind before order. 2.Due to the differences between different monitors, the picture may not reflect the actual color.