The inner hole grinding wheel attachment shaft is an essential motor accessory designed for motors and bench grinders. This versatile shaft extension allows you to connect polishing wheels and grinding rods effortlessly, making it ideal for various polishing and grinding tasks. Whether you're working on metal, wood, or other materials, this attachment ensures a secure and stable connection, enhancing your tool's performance and efficiency. Features -Color:Multi -Material:Steel -Size:6.80X1.50X1.50cm/2.67X0.59X0.59in -Powerful: this grinding wheel attachment provides powerful performance for efficient grinding tasks -Versatile use: comes with polishing wheels and grinding rods, making it suitable for polishing and grinding various materials to meet diverse needs - construction: made from steel materials, this attachment ensures longlasting reliability and stable performance - : the connecting rod is intricately designed to offer stable rotational speed and precise processing, ensuring accurate grinding results -Wide application: ideal for home diy projects, craft making, and maintenance tasks, this tool meets various grinding requirements for different scenarios Package list: 2 x sets of grinding connecting rods