Description
Specification:
- 100% brand new
- 75pcs of gear can match each other, all combined into gears, these gears are suitable for shaft
- Containing worm, straight teeth, shaft gear, the tooth crown, the double reduction gear
- DIY science and small production, product design, mechanical model
- Color: White
75pcs/set lists:
- Spindle straight tooth : 9 kinds (each one)
- Crown gear: 11 kinds (each one)
- Single gear: 12 kinds (each one)
- Double gear: 19 kinds (each one)
- Belt pulley: 7 kinds (each one)
- Worm: 2 kinds (each one)
- Connecting rack: 2x
- Axle sleeve: 6x
- Tee collar: 1x
- Gear-B: 1x
- Belt: 5 kinds (each one)
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