2 set RC Car part: 1 pcs Differential & 1 set Ball Bearing100% Brand NewMade of High Quality Meterial, Stronger And More DurableEasy to use,Easy to replaceSuitable for:HBX 16889 16889A 16890 16890A SG1601 SG1602 1/16 RC CarMaterial:Plastic + Metalcolour:As shownBall Bearing size:6.35x9.53x3.17mmPackage Contents:1 * Differential8 * Ball BearingOnly the above package content, other products are not included.Note: Light shooting 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.