Features: Spring has good toughness, hard to deform or rust, very durable. Lightweight upgrades improve overall performance in processing and durability. With fine workmanship and glossy surface, premium aluminium alloy is firm and stable. It provides you model car with balanced driving, reducing the vibration caused by rough roads. Easy to install, durable for long time use. Specification: Material: Aluminium Alloy Options: Blue Without Spring, Red Without Spring, Yellow Without Spring, Titanium Gray Without Spring, Silver Without Spring, Blue+Springs, Orange+Springs, Purple+Springs, Silver+Springs Length: Approx. 100mm / 3.94inch Weight: 72-90g Fit: for x Slash 4x4 1/10 Car Type: Model Part & Acces Package List: 2 * Shock Absorber 2 * Ball Head Screw (6.8*5*3mm) 4 * Screw (3*16) 2 * Springs and 4 * Columns (7*5*3mm) (Optional)