10pz Ruota Ingranaggio Plastica 14 Denti 0,5 Modulo per Albero Motore 2mm Fai da Te RC Giocattolo
Modulus: 0.5 mode. Suit for a science DIY projects such as rc model car, model electric robot and windmill, education such as displaying how gear rates work, and any other family small motor DIY project.