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 Set Material: PU Gross Weight: Appeox.58g/2.0oz Shock Absorber Size: Approx. Diameter 24mm/0.9in, column height 16mm/0.6in, cone height 11mm/0.4in Hardness: HR 90A Applicable: Fish board, double rocker. Package List: 1 x Skateboard Bushing Set (12 Accessories)