Specification Brand : Generic BulletPoint1 : PU Material: This product is made of PU material which is premium material so that it is very durable ,wear resistant, not easily damaged, and has a long service life. BulletPoint2 : 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.Softer bushings are used for lighter riders or riders who like loose trucks. BulletPoint3 : Improve Skateboard Performance: This product is used to improve the performance of skateboards to bring you a better skateboarding experience.These premium bushings will keep your board riding nice and smooth and fit most skateboard trucks. BulletPoint4 : 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.Shock absorber size: approx. diameter 24mm/0.9in, column height 16mm/0.6in, cone height 11mm/0.4in. BulletPoint5 : Easy to Install: Place the PU bushing in the middle of the gasket and screw on the nut to complete the installation.Harder bushings are for riders who want really stiff trucks for a stable ride. ExternallyAssignedProductIdentifier1 : 0680063031410 ExternallyAssignedProductIdentifier2 : 680063031410 ItemName : Sany Master Bush Stc190Mb-6051.1-11 13156416 ItemPackageQuantity : 1 ItemTypeKeyword : skateboard-bushings Manufacturer : Sany NumberOfItems : 1 PartNumber : 13156416 Pattern : Solid ProductDescription : Sany Master Bush Stc190Mb-6051.1-11 13156416 ProductSiteLaunchDate : 2022-08-05T16:18:58.283Z UnspscCode : 40000000