Descriptions:

*100% brand new and high quality.

*The brass coupling is a through hole connecting two optical axes of different diameters, or connecting motors and an optical axle, or connecting axes of different diameters. 

*It can be used as either a screw rod or a transmission between the propeller shaft and the motor of a model remote control ship.

*Side screw holes are unified as M3. Each coupling is supplied with four screws.

*There are many kinds of joint couplers on sold. For example "2mm to 5mm" means the apertures diameter at both ends were 2MM and 5MM respectively. Please choose the correct sizes to purchase.

Specifications:

*Material: brass

*Diameter of both ends of cross section: 9mm

*Intermediate diameter of cross section: 7mm

*Total length: approx.20mm

*Optional sizes:

2mm to 2mm

2mm to 2.3mm

2mm to 3mm

2mm to 3.17mm

2mm to 4mm

2mm to 5mm

2mm to 6mm

2.3mm to 2.3mm

2.3mm to 3mm

2.3mm to 4mm

3mm to 3mm

3mm to 3.17mm

3mm to 4mm

3mm to 5mm

3mm to 6mm

3.17mm to 3.17mm

3.17mm to 4mm

3.17mm to 5mm

4mm to 4mm

4mm to 5mm

4mm to 6mm

5mm to 5mm

5mm to 6mm

6mm to 6mm

Package Contents:

1 x brass coupling

4 x screws

1 x wrench

Notes:

1. The real color of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness.

2. Please allow slight manual measurement deviation for the data.

Payment must be completed within 5 days. If you have any problems about payment, please contact us via ebay message.

We only ship to confirmed ebay Order addresses. Please comfirm that your Order address is in line with your shipping address.

Please kindly note that the combined shipping is not provided because the shipping fee is calculated by weight. Also, the each additional item means exactly the the same color and size. 

It takes about 7-15 working days to US; about 10-30 working days to other countries. Transit time may be a little delayed because of the bad weather and customs inspection. If you do not receive your item within 30 working days since payment finished, please contact us immediately for further assistance.

We strive for 100% customer satisfaction! Positive Feedback is very important to us. If you have any questions, please feel free to contact us via "Ask seller a question" . We will reply your email within 24 working hours.