Uxcell 15pcs Plastic Gears, 40 Teeth, Plastic Double Gear Model, 40102BA, Reduction Gear for RC Car Models, DIY Robots, White, Module 0.5

Plastic gears are suitable for science DIY projects (RC models, electric robots, windmills, etc.), educational projects to demonstrate gear ratios, and other small motor DIY projects for home use. Model Gear, Outer Diameter: 21mm/0.83", Shaft Diameter: 2mm/0.08", Thickness: 5mm/0.2", Type: 40102B, Module: 0.5, Number of Teeth: 40, Material: Plastic, Color: White, Package includes 15 plastic gears. Plastic gears are made of plastic, durable, smooth, and sturdy, ensuring a long service life. Easy installation and removal. Please check the size carefully before ordering.