Features 1、ELECTROPLATING PROCESS: Flange guide shaft coupler is heated and plated to make it strong and insulated for a more stable impact shaft. 2、SPECIAL DESIGN: Coupler motor connector is a special design that holds a shaft on a flat surface and allows other parts to be easily installed on the shaft. 3、ROBUST AND DURABLE: 2mm flange coupling connector is made of 45 steel, which is strong, wear resistant and has a long service life. 4、PERFECT FITTINGS: Flange coupling connector is the perfect accessory for motor, hardware, mold, and mechanical drive applications. 5、EASY TO INSTALL: Guide shaft coupler fittings are easy to install and replace, perfect for replacing old or broken ones and improving time efficiency. Item Type: Flange Coupling Connector Material: Steel Color: Silver Inner Diameter: Approx. 2mm/0.08in Diameter: Bottom: Approx. 22mm/0.87in, Cylinder: Approx. 10mm/0.39in Small Hole Diameter: Approx. 3mm/0.12in Application: Motor, Hardware, Mold, Mechanical Transmission of the Occasion Package List 5 x Flange Coupling Connector 1 x Wrench 10 x Grub Screw