Product Name : Shock Absorber DamperShock Absorber Type : Oil Adjustable typeFor Vehicle Type : CarsApplicable RC Cars: Buggy Truck and OthersScale : 1/18Dimention : A:65MM B:57MM C:15MM D:2.5MM E:Diameter4.8MMOverall length : 65mmMount-center To Mount-center Distance : 57mmFor Vehicle Brand : Hpi Hsp Traxxas Losi Axial Tamiya Redcat Himoto Wltoys A959 A969 A979 K929 And OthersFuel Source: Electric , Gasoline / Petrol , NitroPackage Qty : 4 PCS ( 2 Pair)Suggestion :1. The Shock Absorber is with a little oil to quality control . Please filling it with oil which you request by yourself after received .2. About the Dimension : This product is adjustable.the dimension error is about 3mm,please adjust it by yourself while dimension error happen .Colour:SilverMaterial:metalPackage Contents:4 x Shock Absorber Damper2 x accessories setOnly the above package content, other products are not included.Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.