The product includes :Drive Shaft-2pcsDiff Outdrive-2pcsBearing 17*23*4-2pcsBearing 8*16*5-2pcsScrew Shaft M4*2.5*17-2pcsSet Screws M4*5-2pcsWheel Lock-2pcsWheel Hex Claw-2pcsSteel Pin 3x15-2pcsOriginal Name / role No:8996XPart Location:Front or back drive shaft areaProduct major function & usage:Transferring the power and leading the drive associated with wheels.Suitable Model:1/10 4WD MAXX W/WIDE MAXX MONSTER TRUCK-89086-4