[6.35mm]
Clustion: 1 PC coupler
3mm / 3.17mm / 4mm / 5mm / 6mm / 6.35mm / 7mm / 8mm / 10mm / 11mm / 12mm / 14mm
Material: Steel
Flange coupler is a type of special coupler that can be fixed to a flat surface.
Electroplated iron, good corrosion resistance
Coupler allows for easy installation of other accessories on the shaft.