Figure no. Name type encoding parts on the main A3-705A-11700K1B-140 file   origin six; 21 teeth pointed EQ145/6 files of Dongfeng 263A3-705A-31700K1-140-B file   six; 21 teeth Dongfeng gearbox 283A3-705A-21700K1-140 main six   file without a tip EQ145/6 file; 21 teeth (without tip) EQ145/6 file Jinhua 178