The inner hole motor shaft arbor is an essential accessory for anyone using a motor with a bench grinder. This adapter allows you to easily attach polishing wheels and grinding rods, providing the flexibility to handle different tasks with ease. Whether you're polishing metal surfaces or grinding down rough edges, this motor shaft extension ensures a secure fit and consistent performance. Its easy-to-install design means you can quickly switch between attachments, maximizing your productivity. Features -Color:Multi -Material:Steel -Size:6.80X1.50X1.50cm/2.67X0.59X0.59in -Robust: this grinding wheel attachment ensures efficient and effective grinding performance -Multifunctional: includes polishing wheels and grinding rods, allowing for versatile use in polishing and grinding different materials - durability: made with steel materials, it offers excellent and longterm reliability for continuous use - : the connecting rod is intricately designed to offer stable rotational speed and precise processing, ensuring accurate grinding results -Broad usage: suitable for home diy, craft projects, and repair work, this tool meets various grinding requirements for different scenarios Package list: 2 x sets of grinding connecting rods