40Pcs Worm Gears, Bettomshin 9x2x5mm/0.35×0.08×0.2″(ODxIDxT)162A 0.5Modulus Plastic Gear, White High Rotating Speed Wide Uses for Pulley Belt Shaft Robot RC Motor Worm Crown Hand DIY Car Kit

• Modle: Plastic Gears ; Number of teeth:16 ; Modulus: 0.5 Modulus.
• Outer diameter:9mm; Hole diameter: 2mm.
• 100% Brand new and high quality. Good accessories for Vehicle or remote control, Provides a convenient choice for your DIY project.
• Plastic Gears suit for a science DIY project such as rc model car, model electric robot and displaying how gear ratios work, and any other family small motor DIY project.
• This is the most complete gear set. It can meet your DIY needs.

Bettomshin Plastic Gear Product Information Product Line Name: Plastic Gear Product Type: Motor Parts-Gear-Plastic Gear Product Model: 162A Number of Teeth: 16 Outer Diameter: 9 Hole Diameter: 2 Thickness: 5 Modulus 0.5 Selling Method: 40Pcs Thickness:9 Outer diameter:2 Hole diameter:2 Number of teeth:16 Product model:162A Description: 1.This is a plastic gear building your own gearbox with customized gear ratio. 2. Ideal accessories for science DIY projec or remote control, such as RC airplane ,RC helicopter,modle car and so on.