Features:*Suitable for model shafts: Flange coupling for motor shafts with 6mm internal diameter*High high quality material: manufactured from hardened iron and electroplated for sturdiness and insulation*Sturdy and easy to install: Double connection features hold the snatch securely to the shaft*Versatile function: allows easy installation of other components at the shaft*Included in delivery: four x flange couplings for motor shafts with 6mm internal diameter and eight x solving screwsSpecifications:Color: SilverMaterial:MetalHole diameter:Φ6mmProduct size:22*22*12mmPackage Included:4*Flange Coupling8*ScrewsNote:1. The real coloration of the object could also be slightly varied from the images shown on website attributable to many factors such as brightness of your visual display unit and light-weight brightness.2. Please allow slight manual measurement deviation for the data.