Aggregation of marginal gains is the key here. Weghing in approximately 0.7g more than the standard screws, these brass screws can be argued that are more about looks than adding a substantial amount of weight. However, if you are like us, on a quest to lower the CG of your car as much as possible, you believe that every little bit helps. That’s the case here. This kit includes 20 pcs of M2x4CS machine screws to be used on the bottom of your GL RGT Car.