Feature:1. [Premium Material] RC shock absorber is made of premium aluminum alloy and plastic material, which is wear resistant, prevent corrosion, high strength, rust proof and long life.2. [Balanced Driving] RC front and rear shock absorbers are well made to provide a balanced driving experience and reduce vibration due to rough road conditions.3. [Adjustable] CNC machined RC front and rear shock absorbers with threaded body, adjustable oil pressure, removable, and the ability to adjust preload.4. [High Elasticity Spring] RC car spring damper with damping oil inside, the high elasticity of the spring ensures the damping effect and improves the stability of the RC car.5. [Wide Compatibility] This spring shock absorber is suitable for 1/10 RC cars, such as for HSP, for HPI, for Redcat, for Traxxas, for Arrma, etc, easy to install and remove.Specification:Item Type: RC Shock AbsorberMaterial: Aluminum Alloy, PlasticTotal Length: Approx. 95mm/3.74in (Short), Approx. 105mm/4.13in (Long)Installation Hole Distance: Approx. 85mm/3.35in (Short), Approx. 95mm/3.74in (Long)Maximum Diameter: Approx. 21mm/0.83inSpring Diameter: Approx. 1.2mm/0.05inHole Diameter: Approx. 3mm/0.12inSuitable for 1/10 RC Car (Such As for HSP, for HPI, for Redcat, for Traxxas, for Arrma and Other Brands).Package List:4 xRC Shock Absorber4 x Brass Ball Head4 x Screw4 x NutNote:1. Due to manual measurement, please allow 0.040.12in error.2. Due to different lighting, and differences between monitors, the picture may not reflect the actual color of the object.