Features: 100% brand new and durable Made of high quality Metal. Perfect style and exquisite workmanship. With screws,Easy to install and durable for long time use. Direct fit hop-up requires no modification for use Differential carrier and pinion gear shimming may be required for perfect alignment and fitment Suit for RC Car 1/10 Traxxas Summit 56076-4 Specifications: Part Number:5680 5681 5382X 5379X Part Name:Defferential Assembly Set (2*Spider Gears +1*Housing Case +1*Ring Pinion Gear+1*Diff Case+2*Differential Gear + 4*Bearings + Screws ) Material: Aluminum + Hard Steel Color:As Pictures Package List: 1*Rc Car Defferential Assembly Set (2*Spider Gears +1*Housing Case +1*Ring Pinion Gear+1*Diff Case+2*Differential Gear + 4*Bearings + Screws ) (What you see in the color picture is what you get) Please refer to your instruction for the part number and picture Note:The size may have 1-2mm differs due to manual measurement.