1 Set Plastic Gear Rack Pulley Belt Worm Double and Single Worm Gear DIY Model Gear Box Power Transmission Parts

Package includes: 105pcs a set

The product will be upgraded constantly, the appearance and color may be changed, please don't mind. And take a consideration before place the order if you have request for color or appearance.

[Modulus] 0.5M, can be freely matched

[Aperture] 0.8, 1, 1.9, 2.05, 2.55, 3, etc.

[Material] POM plastic