30Pcs Worm Gears, Bettomshin 6x2x5mm/0.24x0.08x0.2"(ODxIDxT)102A 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:10 ; Modulus: 0.5 Modulus.
Outer diameter:6mm; 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.