1. MATERIAL: Made of excellent aluminum alloy, oxidation treatment, , fine workmanship, high transmission accuracy, closed timing belt is made of strong fiber reinforced rubber, and elastic, has long service life, bringing you an unparalleled experience
2. ACCURATE AND FIRM: Providing accurate transmission. No slippage during work, constant transmission ratio
3. SUITABLE FOR DIY: Bring transmission, accurate pitch, high transmission efficiency, good energy saving effect, many DIY enthusiasts are full of praise for it, and will also be your best choice
4. SIMPLE STRUCTURE: Easy installation and disassembly, with a wrench, used together to make your 3D printer work easier and more convenient
5. WIDE APPLICATION: As a stepper motor pulley kit, widely used in 3d printers, milling machines, gear grinding machines, drilling machines, CNC lathes, gear hobbing machines or other mechanical transmission occasion

Spec:
Item Type: Synchronous Wheel
Material: Aluminum alloy, rubber
Timing Belt: Length: Approx. 200mm / 7.87in, Width: Approx. 6mm / 0.24in
Teeth: 20T and 60T
Screw: M4

Package List:
4 x Synchronous Wheel
2 x Belt
1 x Hex Wrench