Packaging Includes:Rear Diff Cover-1pcsGrade 12.9 black Cap Head Screws 2.5×8-6pcsGrade 12.9 black Flat Head Screws 2.5×8-2pcsMajor advantages of upgrading to this part/product:Fix the differential to make the differential teeth more secure, effectively reducing damage to the differential teethSuitable Model:ARRMA-1/18 4WD GRANITE GROM MEGA 380 BRUSHED 4X4 MONSTER TRUCK-ARA2102