Feature:1. 90A: High rebound is conducive to flexible swing when turning, reducing the impact of vibration on the foot during sliding, and the anti crack hardness is 90A.2. Improve Skateboard Performance: This product is used to improve the performance of skateboards to bring you a better skateboarding experience.3. PU Material: This product is made of PU material which is premium material so that it is very sturdy and has a long service life.4. Suitable for Various Brackets: This product has a wide range of applications, suitable for 5.0, 5.25, 5.5 inch brackets and some fish plate brackets.5. Easy to Install: Place the PU bushing in the middle of the gasket and screw on the nut to complete the installation.Specification:Item Type: Skateboard Bushing SetMaterial: PUGross Weight: Appeox.58g or 2.0ozShock Absorber Size: Approx. Diameter 24mm or 0.9in, column height 16mm or 0.6in, cone height 11mm or 0.4inHardness: HR 90AApplicable: Fish board, double rocker.Package List:1 x Skateboard Bushing Set (12 Accessories)