Packaging Includes:Front CVD Drive Shafts-2pcsWheel Hexes-2pcsStainless Steel Shim 7x9x0.2-2pcsMajor advantages of upgrading to this part/product:Made by 4140 Medium carbon steel , hardened black treatment,stronger and great durability to achieve smooth driving performance.Heavy duty CNC machined steel wheel stub axles, replacing the original CVD dog bone and plastic wheel shafts.Suitable Model:ARRMA-1/18 4WD GRANITE GROM MEGA 380 BRUSHED 4X4 MONSTER TRUCK-ARA2102