Metal Coupling 3mm 3.175mm 4mm 5mm 6mm Universal Joint Coupler Connector for RC Boat Marine Car Crawler Truck Robot

-- Description --

These universal coupling is for RC Car, RC Crawler, RC boat, RC robot etc
There are many kinds of couplings on sell. For example: "3mm to 3.175mm" means: the hole at one end is diameter 3mm, the other end diameter 3.175mm. Please choose the correct size before purchasing.

1, Length: 17mm, Diameter: 8mm, fixing screw: M3
 2.3mm to 2.3mm, 2.3mm to 2mm, 2mm to 2mm

2, Length: 23mm, Diameter: 9mm, fixing screw: M3
 3mm to 3mm, 3mm to 3.175mm, 3mm to 4mm, 3.175mm to 3.175mm, 3.175mm to 4mm, 4mm to 4mm, 2.3mm to 4mm

3, Length: 24mm, Diameter: 11mm, fixing screw: M4
 3mm to 5mm, 4mm to 5mm, 5mm to 5mm, 4mm to 6mm, 5mm to 6mm, 6mm to 6mm

4, Length: 35mm, Diameter: 14mm, fixing screw: M4
 5mm to 8mm, 6mm to 8mm, 8mm to 8mm

-- Specification & Features --

* Material: 45# carbon steel( Exquisite electroplating )
* Each order includes a small screwdriver
* Includes 2PCS grup screws

-- Package Contains --

1 Piece of Joint Coupling
2 Piece Grup Screws