Thank you for viewing! This is a 48 pitch pinion gear set. Includes: 19, 20, 21, 23 x 2, 25 x 2, 26, 28, 30 x 2, 31, 32, and 35, for a total of 11 different sizes. I've forgotten the manufacturer, but they should still be usable. Please refrain from purchasing if you are looking for a perfect item or are overly concerned about details. Thank you. I am not accepting individual sales. Keywords: Radio Control Car Pinion Gear 48 Pitch Yokomo Tamiya Axon Square Kawada YD-2 RD2.0 GRK GRD-X RDX Type: Radio Control Car