4 Packs 4mm to 4mm Steel Universal Joint Cardan Coupling Connector, Rotatable Model DIY Motor Shaft Fitting Accessory

High-quality material: The universal connection nut is made of high-quality alloy steel material, which is strong and durable.
CNC mechanical design: 4mm motor coupler has a special design, perfect workmanship, precise size, convenient and quick installation and disassembly.
360-degree rotatable universal joint: This 4x4 mm joint count can change the transmission direction at any point, which is very flexible and easy to use.
Application: 4 mm rotation coupling is perfect for remote control model cars and remote control model boats, as well as perfect motor shaft assembly accessories.

Material:alloy steel
colour:Silver

Package Contents:
4 x Cardan Coupling Connector
8 x screws
2 x Wrench

Only the above package content, other products are not included.
Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.