To be able to adjust your dampers makes all the difference on courses with many level modifications. These adjustable dampers consist of six 2.5g lots to permit you flexibility inside damper settings. Them also incorporates stainless screws, aluminum spacers and many more! 2.5g Body weight x6 2 x 25mm steel Screw x3 2 x 30mm stainless Screw x3 3mm Aluminum Spacer x2 Washers & Nuts may also be included. Befitting Mini 4WD and Mini 4WD PRO cars. Some systems could need modification.