This gear package contains gears, racks, pulleys, gears, plastic bars, axles, etc. with different numbers of teeth, as shown in the figure;
The modulus is all 0.5 modulus;
All can be freely matched and used to make various DIY creative works.
Outer diameter of gear = (number of teeth + 2) * module
[Type] Contains a variety of different types of gears, all of which can be matched with each other, the module is 0.5, and the inner holes are 1.9mm, 2.05(2.0)mm, 2.4(2.55)mm, 2.9(3)mm, etc.
[Modulus] 0.5M, can be freely matched
[Aperture] 0.8, 1, 1.9, 2.05, 2.55, 3, etc.
[Material] POM plastic