[3mm to 4mm]

1. Widely used for connecting model cars, model ships, robots, etc.
2. It is commonly used for shafts that transmit rotary motion.
3. Made of premium metal material, it is durable and has long service life.
4. This joint or coupling connects rigid rods whose axes are inclined to each other.
5. 100% brand new and high quality.

Specification:
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.
Features:
100% brand new and high quality.
This joint or coupling connects rigid rods whose axes are inclined to each other.
Made of premium metal material, it is durable and has long service life.
It is commonly used for shafts that transmit rotary motion.
Widely used for connecting model cars, model ships, robots, etc.
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)