A kind of rotation motion by one axi to become two, and it can be make different speed between the output shafts。 Almostly to be used on structrue of the automobile Feature: popural type 2 planetary gear good wear-resistance low niose transmission smooth and steady material: matel Specification： Tooth number（output axis gear)：18 or 20。High:17.2mm，outside diameter:40mm，inside diameter:17.1mm Tooth number(planetary gear)：14 or 15，thickness:9mm,outside diameter:30mm,inside diameter12.3mm，shaft length:60mm For any technical support or suggestion, please kindly go to our forum.