Roda Gigi Kyouiku (kg), M1DM20-2106, Roda Gigi Mitra Lurus, Modul 1, Poli Asetal (hitam), 20 Gigi, Jarak Lokasi 21mm, Diameter Lubang 6mm, Lebar Muka 4,3mm, Od 21,4mm.
Roda Gigi Kyouiku (kg), M1DM20-2106, Roda Gigi Mitra Lurus, Modul 1, Poli Asetal (hitam), 20 Gigi, Jarak Lokasi 21mm, Diameter Lubang 6mm, Lebar Muka 4,3mm, Od 21,4mm.