Description: 【Compatibility and 】: These RC Shock Absorbers are specifically designed for 1/12 H12Y and H12Y+ remote control cars 【Adjustable Suspension】: The shocks feature adjustable spring that allow you to fine tune the softness or hardness according to your preference. This design ensures optimal handling and stability during use 【Enhance Performance with Oil Damping】: These shock absorbers come with a small amount of damping oil included, but for good results, it is recommended to add low-viscosity damping oil (200#-600#). This addition enhances the damping effect and prevents oil leakage 【Dimensions】: With a total length of 3.48inch, hole distance of 3.15inch, hole diameter of 0.12inch, outer diameter of 0.57inch, travel distance of 0.79inch, and spring wire diameter of 0.04inch, these shocks are engineered for a accurate fit on your vehicle's suspension system 【Material】: These shock absorbers are crafted from 6061 aluminum, ensuring durability and enhanced performance Specification: Total length 8.84cm/3.48inch Hole distance 8cm/3.15inch Hole diameter 3mm/0.12inch Outer diameter 1.445cm/0.57inch Stroke 2cm/0.79inch Spring wire diameter 0.9mm/0.04inch Package Includes: 2 Pieces RC Car Shock Absorbers Note: Color might be slightly different due to the color calibration of each individual monitor. Please allow slightly measuring deviation due to manual measurement.