Engranajes de plástico de módulo de 0,5 dientes de 10 piezas para eje de motor de 2 mm hágalo usted mismo modelo de coche de radiocontrol
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.