Specification:
Type: 81 kinds of plastic gears(no repetition), including spur gear, tooth, crown tooth, rack, worm, belt pulley and drive belt.
Modulus: 0.5M
Aperture: 0.8mm,1mm,1.9mm,2.05mm,2.55mm,3mm etc.
Material: POM plastic
Package Include:
81 kinds of plastic gears set x 1