Plastic Gears And Pulleys Pack [85 Pieces]

Description:
Plastic Gears and Pulleys Pack for motor transmission accessory is a package of 85 kinds of parts that are necessary to make or repair laboratory, science, and education models or DIY projects such as robotic tools, toys, RC, aircraft, copters, boats, and so on.
We have prepared some useful different combination packages of the different kinds of gears, pulleys, belts, sleeves, and racks.
The different kinds of one and two-layer gears, one and two-layer pulleys, worm gears, rack (tape gear), spindle gears, pulley-gears (one layer gears in combination with another layer of the pulley). 
A pully can be attached to an axis such as a motor shaft, and with a belt which is fixed in its groove, dis set can transmit torque and changes the direction of a force or movement of that axis.
Gears can do the same work without a belt, two or more gears work together and transmit force or movement with changing its direction or its torque.

Features:
Material: Plastic (Pulley Wheel), Rubber (Belts)
4 x Sector gear: 12T, 15T, 21T, 28T
3 x Worm gear: 6-6, 7-7, 8-8
4 x Blue spindle gear: 3mm (D-Shaft), 4mm (D-Shaft),2.3mm (Circular shaft), 3.17mm (Circular shaft)
14 x Crown gear
15 x Single gear
19 x Double gear
4 x Belt pulley
3 x Axle sleeve
3 x Tee collar
1 x Gear-B
3 x Belt

Package Include:
1 x 85 kinds of Gear