It is a 65mm Metal Front/Rear Shock Absorber for RC Car (Pack of 4). The shock absorber is made for remote control cars. It has an aluminum body with a heavy-duty spring, which makes it light-weight and also provides good shock absorption at the same time. The shock absorber is assembled and its dimensions are as shown in the figure below.
4 x 65mm Metal Front/Rear Shock Absorber for RC Car.
4 x Hollow Steel Flanged Ball.
8 x Philips M2 x 12 Screws.