58-Piece 0.5 Module Reduction Gear Kit for DIY Motors, Robot Cars and Science Projects

Description: 100% new and high quality Material: plastic Color:As Pictures Package Included: 58pcs/bag The module is 0.5, and the inner diameters are 1.9mm, 2.05(2.0)mm, 2.4(2.55)mm, 2.9(3)mm, etc. 1. Complete and rich specifications: a pack of 58 gears, covering a variety of tooth numbers, apertures, shaft types, 0.5 modulus standard specifications, can be freely combined to build reduction structures with different transmission ratios, suitable for a variety of DIY requirements. 2. Durable material: made of high quality plastic, high strength, good toughness, wear resistance, smooth transmission, can be used repeatedly for a long time, not easy to fracture deformation. 3. Wide adaptability: standard 0.5 module design, perfect matching DIY motor, toy car, robot, science and education model and small transmission structure, strong versatility. 4. Science and education practical good things: it is an ideal accessory for science and technology courses, manual courses and guest creation projects in primary and secondary schools, helping students understand the principle of gear transmission and improve their practical ability. 5. Convenient installation and worry-free: the gear aperture is adapted to the standard motor shaft, and can be used by direct assembly without complicated processing, thus reducing the difficulty of DIY production and improving the production efficiency. Notes: Due to manual measurement, there may be 5mm deviation exist,hope you can understand. There are slight difference between the picture and the item caused by light brightness,hope you can understand.