2 Packs 12 Kinds Plastic Gear

Description:
A gear is a rotating machine part having cut teeth or, in the case of a cogwheel, inserted teeth, which mesh with another toothed part to transmit torque. Geared devices can change the speed, torque, and direction of a power source.
They can be used in varying industries such as food production machines, consumer electronics, chemicals, toys, and medical equipment, etc.. 
This package includes 12 kinds of gear model: 202A, 242A, 282A, 302A, 303A, 302.5A , 322A, 362A, 402A, 422A, 482A, and 562A.

Features:
Material: Plastic
Color: White

NOTE:
The first two digits of the code: the number of outer teeth of the gear
Third digit: the hole diameter of the gear
English letter: A: tight match    B: loose match
Gear diameter = (number of teeth + 2) * 0.5 (unit: mm)
For example, 242A means that the number of teeth is 24. Gear hole diameter is 2mm. A means that it fits tightly with a 2mm shaft.

Package Include:
2 x 12 Kinds of Gear