Description: 1.
Material: Made of high quality pure brass, sturdy, reliable and strictly functional. 2.
Function: A special coupler, used for connecting the motor shaft and the hexagon wheel of the robot, cars, and other models. 3.
Use: Suitable for model shaft connection, perfect accessories for RC Model motor, etc. 4.
Feature: Durable and insulation, make your shaft more stable, easy to install and replace.
Specification: Hexagonal
Side: 7mmHex
Height: 6mmOpposite
Side: 12mmCylinder
Height: 12mmCylinder
Outer Diameter: 11.5 mmCylinder
Inner Diameter: 8mmFastening
Screw Hole: M4