Storage Hole 64 kinds plastic shaft single double layer crown worm gears cog wheels m0.5

Specification: brand new material: plastic color: as picture shows type: 64 kinds 64pcs 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.

do diy science and small production, product design, mechanical model.

package included: 9 kind of spindle gear 11 kind of crown gear 12 kind of single gear 19 kind of double gear 7 kind of belt pulley 2 kind of worm gear 2pcs connect rack 1pc tee axle sleeve 1pc bevel gear the merchant warrants that their products comply with all applicable laws, and are offered only if they comply with jooms policies and eu product safety and compliance laws.