GPMRacing TRAXXAS SLASH PRO 2WD SHORT COURSE Aluminum Hex Adapters 6mm Thick(front),8mm Thick (Rear) - 16pc set - GPM SLA2W10/0608 SLA2W10/0608 Hopup Parts
Them includes :Hex Adpater-4PCS2x10 metal Pin-4PCS2x5 steel Cap Head Screw-4PCSStainless metal Washer-4PCSConnect axle and wheelsMajor top top options that come with upgrading for this reason part/product :Made with aluminum durable 6061 T6 product, our unique design the hex generate tightly in axle.