Features 1、Easily installing and disassembling, it does not add extra burden, because of its light weight. 2、It can work as the perfect matching model to replacement of original parts for reasonable design. 3、 Using new shock damper can effectively reduce the vibration of the remote control car, and improve its performance. 4、 Being adjustable and not easily deformed, its materials in high quality with high strength and durability, and it adopts for HPI RS4 Sport 3 1/10 RC car. 5、 It is 100% brand new and very durable in high quality for precision CNC machining. Specification Item Type: RC shock damper Material: Aluminum alloy Total Length: Approx. 68mm (adjustable) / 2.7 in Eye to Eye: About. 59mm / 2.3 in Diameter: Approx.17mm / 0.7 in Hollow Sphere Diameter Hole: Approx. 3mm / 0.1 in Quantity: 2 Pcs / set Package Weight: Approx. 37 g Packing Size: Approx. 8.2 x 2 x 1cm / 3.2 x 0.8 x 0.4 in Compatible: For HPI RS4 Sport 3 1/10 Package List 2 x RC Shock Damper 4 x Ball Head 4 x Screw