Description:Good compatibility: Metal shock absorber is replacement for Wltoys 12428 12423 12429, replacement for FY RC car.Sturdy material: The rear shock absorber is made of metal, which is durable and can be used for a long time.Easy to install: The Upgrade damper set can be adjusted for softness and hardness, and can be refueled, which is very convenient.Upgraded parts: Metal upgrade accessories can replace damaged RC car damper, which can help improve the toy car performance.Delicate design: Metal shock absorbers with beautiful shape, it can help to enhance the look of your RC toy.Specification:Size: Approx. 9.75 cm/3.84 inch, stroke: approx. 1.8 cm/0.71 inch.Material: Metal.Color: Red, Blue, Gold, Type 4(show as picture).Compatibility: Replacement for Wltoys 12428 12423 12429, replacement for FY RC car.Note:There might be a bit color distortions due to different computer resolutions.There might be a slight errors due to different hand measurement.Package Includes:2 Pieces Rear Shock Absorbers.