18T 19T 20T 21T 22T 23T 24T 25T 26T 27 T28T 92T 85T 80T motor gear. Hardcoated for increased hardness and long life. Etched with the gear size for easy identification. Precision machined and lightened, runs quietly and efficiently. Durable metal construction for long-lasting performance. Suitable for Sakura S XIS CS D3 XI R31 G31 MST,1/10 flat belt cars, axle cars etc. Specification: Material: Metal Size Chart: Package Size: Approx. 90 x 120mm/3.54 x 4.72 inch Package Includes: 1set(14pcs) Metal gear Note: Please allow 1-2cm error due to manual measurement. pls make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you!