The differential can not lockInjection molded nylon axle housingSteel internal gears and driveshaft, durable in useHigh pinion gears for added ground clearance & better driveshaft anglesLarger load bearings used around the gear set to reduce flex and create a stronger drivetrainWeight of Front Axle: 150gWeight of Rear Axle: 105gGear Tooth: 38T/ 15T Length: 21cm/ 8.27inPin to Pin Length: 18cm/ 7.09inSuit for 1/10 RC Crawler Axial SCX10 II 90046 90047Tool Supplies:Assembly CategoryRC Parts & Accs:Servo AccessoriesUse:Vehicles & Remote Control ToysTechnical parameters:Value 2Remote Control Peripherals/Devices:ReceiversFor Vehicle Type:Four-wheel Drive :AssemblageWheelbase:Screwscolor:As shownMaterial:nylon+steelPackage Contents:1 x Front Axle1 x Rear Axle2 x Drive Shaft1 x Mounting Accessories SetOnly the above package content, other products are not included.Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.