10*20mm aluminum alloy coupling motor coupling diy car CVD transmission model coupling
Uses: used to connect two steel shafts, connecting the drive shaft and the motor shaft.
Diameter: 10 mm
Length: 20 mm
Top wire: 4 fixing holes on the side with M3 screws
Shipping list: 4pcs coupling
The sizes of 1-1 and 2-2 are 12*20mm