Connect two optical axes of different diameters, or connect motors and an optical axle, or connect axes of different diameters. It can be used not only as a screw rod, but also as a transmission between the power slurry shaft and the motor of the model remote control ship.
Specifications:
Material: Nickle plated iron
Type: 3.0-3.0mm/3.0-3.175mm/3.0-4.0mm
Weight: 41g/1.5oz, 41g/1.5oz, 39g/1.4oz (approx.)
Package list:
5 * Motor Copper Shaft Coupler (3.0-3.0mm)
5 * Motor Copper Shaft Coupler (3.0-3.175mm)
5 * Motor Copper Shaft Coupler (3.0-4.0mm)