package include:
<br />5x coupling couplers
<br />20x screws
<br />2x spanners
<br />
<br />specifications:
<br />material:brass
<br />color:gold
<br />total length:20mm
<br />diameter:9mm
<br />screw hole&quot;m3
<br />tolerance: +0.02-0.05mm
<br />transit aperture:2-3mm，3.175-3mm，3-4mm，3.175-4mm，2-5mm，3-5mm，3.175-5mm
<br />application:mainly used for a variety of diy model car, model , suitable for the use of motor
<br />straight shaft, motor for the brush motor and small brushless motor
<br /><p> <b><b><img src="https://contestimg.wish.com/api/webimage/5951f2f2a73fc6719152f004-original.jpg" noproxy><img src="https://contestimg.wish.com/api/webimage/5951f2f2a73fc6719152f004-1-original.jpg" noproxy><img src="https://contestimg.wish.com/api/webimage/5951f2f2a73fc6719152f004-2-original.jpg" noproxy><img src="https://contestimg.wish.com/api/webimage/5951f2f2a73fc6719152f004-3-original.jpg" noproxy><img src="https://contestimg.wish.com/api/webimage/5951f2f2a73fc6719152f004-4-original.jpg" noproxy><img src="https://contestimg.wish.com/api/webimage/5951f2f2a73fc6719152f004-5-original.jpg" noproxy><img src="https://contestimg.wish.com/api/webimage/5951f2f2a73fc6719152f004-6-original.jpg" noproxy><img src="https://contestimg.wish.com/api/webimage/5951f2f2a73fc6719152f004-7-original.jpg" noproxy><img src="https://contestimg.wish.com/api/webimage/5951f2f2a73fc6719152f004-8-original.jpg></b></b></p>