YJZR 6V Hand Crank Dynamo Generator DIY Mechanical Motor Reduction Gear Box

Description

Product Description： Features: Suitable for DIY model production technology. High-quality materials, carefully selected. A letter on behalf of the tight match. Specifications: Condition: New Material: POM Type: Single gear: 8 kinds, the largest model 482A Spindle gear: 9 kinds, the largest model 142A Double gear: 12 species, the largest model 46082A Pulleys: 7 kinds, the largest model 242A Crown gear: 9 kinds, the largest model C323A Blue motor gear: two kinds Belt: four kinds Sleeve: four kinds Worm: two kinds Rack: one kind Copper teeth: one kind Bevel: one kind Package: 60pcs Plastic Gear Pack X 1package