Total Diameter 21mm, aperture 2mm. Ideal accessories for RC model toy, such as RC airplane toy ,RC helicopter, toy car and so on.
- Product Name : Plastic Crown Gear;Model : C4010-2B;Type : Double Gear
- Fit for : for DIY Toys Motor Reduction Box;Teeth Number : Big: 40Small: 10;Modulus : 0.5
- Diameter : 21mm/0.83″, 6mm/0.24″;Thickness : 3mm/0.01″;Total Height : 7mm/0.3″
- for Shaft Dia : 2mm/0.08″;Material : Plastic;Color : White
- Net Weight : 15g;Total Weight : 15g;Package Content : 20 Pcs x Plastic Crown Gear
