• 【Type】: Plastic Gears
• 【Material】:  Plastic
  
• 【Module】:  0.5 module
  
• 【Number of teet】: : 26 teeth (yellow), 28 teeth (orange), 30 teeth (green), 36 teeth (white)
  
• 【Outer diameter】: diameter=(number of teeth+2) * modulus, in millimeters
  
• 【Inner hole】: 1.8mm hexagonal hole (this 1.8mm is only a general designation and does not mean that the axle diameter is 1.8mm. The axle needs to be purchased separately)
  
• 【List】: 
  -- Single pack, 10 pieces per pack, priced at 10 pieces
  -- A mixed pack of 20 pieces, containing four types of 26, 28, 30, and 36 teeth, each with 5 pieces, totaling 20 pieces.
  
• 【Features】: 1.8mm internal hexagonal hole gear, 0.5 modulus, with 4 types of 26, 28, 30, and 36 teeth. The hexagonal hole gear is equipped with a hexagonal shaft, and the installation of the hexagonal hole gear is labor-saving and does not slip after installation.

• 【Note】】: 1.The product dimensions are all measured by hand, and there are tolerances in the dimensions. 2. Due to different photographic products, the actual color may have color difference, which is subject to the actual object.

Packing Quantity】:

• According to your choice.