For reference:
Description:
Item Name: Hex DC Gear Motor Connector
Material: brass
Inside diameter: 3mm, 4mm, 5mm 6mm available
The total length: 18mm
Weight: about 36 g
Screw: 3*6,4*8,one of each
Usage: for connecting gear motor and tire
Package Included:
1 x Hex DC Gear Motor Connector
