Description: - 100% Brand new and high quality. - CNC precision machining, higher accuracy and fluency. - Available for rc car crawler buggy truck truggy Wltoys A959-B A969-B A979-B K929-B - Main gear: 38 Teeth - Material: Steel Size Chart: Approx. 3x4.5x3cm/1.18x1.77x1.18inch. Package Includes: 1 Piece Steel Differential Gear