50pz Ingranaggi Motore Ruota Ingranaggi Plastica 10 Denti 0,5 Moduli per Albero 2mm Giocattolo Fai da Te

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.

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