Used in direct-axis motor, motor for the brush motors and small brushless motor.
Compatible with RC Car Robot Crawler Boat.
Made of high quality metal,durable in use.
360 degree rotatable universal joint.
Well made,a good replacement for your old or broken one.
A variety of sizes available to be chosen.

Specificaton:

3mm to 3mm:
Hole diameter:3mm to 3mm.
Outside diameter:9mm
Length:23mm
Fastening Screw Size:M3
Color: Silver.

3.17mm to 4mm:
Hole diameter:3.17mm to 4mm.
Outside diameter:9mm
Length:23mm
Fastening Screw Size:M3
Color: Silver.

4mm to 4mm:
Hole diameter:3.17mm to 4mm.
Outside diameter:9mm
Length:23mm
Fastening Screw Size:M3
Color: Silver.

4mm to 5mm:
Hole diameter:4mm to 5mm
Outside diameter:11mm
Length:24mm
Fastening Screw Size:M4
Color: Silver.

5mm to 5mm:
Hole diameter:5mm to 5mm
Outside diameter:11mm
Length:24mm
Fastening Screw Size:M4
Color: Silver.

6mm to 6mm:
Hole diameter:6mm to 6mm.
Outside diameter:11mm
Length:24mm
Fastening Screw Size:M4
Color: Silver.

Package includes:
5 x Universal Rotatable Metal Joint
10 x Holding Screw