Usage Tips:Product Name : Damper Type : Oil Adjustable type For Vehicle Type : Cars Applicable RC Cars: Truck and Others Scale : 1/18 Dimention : A:65MM B:57MM C:15MM D:2.5MM E:Diameter4.8MM Overall length : 65mm Mount-center To Mount-center Distance : 57mm For Vehicle Brand : Axial Redcat A959 A969 A979 K929 And Others Fuel Source: Electric , Gasoline / Petrol , Nitro Package Qty : 2 PCS ( A Pair) Suggestion : 1. The is with a little oil to quality control . 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, adjust it by yourself while dimension error happen . Colour:Yellow Material:metal Package Contents: 2* Damper 1*accessories set Only the above package content, other products are not included. Note: Light 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.