Hot Racing NSG19M06 19t Steel Mod 0.6 Pinion Gear 5mm Made by Hot Racing; Hot Racing is a United States based company; parts are sourced from Chinese producers All Hot Racing upgrade parts are direct replacements for stock components; additional parts are not required Hot Racing part number NSG19M06; UPC 083745801941 This item works with: HPI Electric E10; Tamiya Bruiser, CR-01 Crawler FJ40, F-150/S-10, FF03, Hi-Lift - F350 Tundra HiLux, M03 Mini, M04L Mini, M05 Mini, M06 Mini, TA01, TA01 FF, TA02, TA02W, TA03, TL01, Trf417