Set Left and Right Threaded Adapter Polishing Connecting Rod with a Wrench for Buffing Wheel Bench Grinder Material: The sharp shaft has uniform threads, smooth, easy to install and polish the wheels, made of sturdy steel, durable and long service life Spindle taper thread adapter. Tapered threaded rod can be easily installed with any type of polishing wheel Spindle extension of bench grinder: Bench-top turbine spindle adapter is used for bench grinder with 8mm large tool shaft. Used to convert the desktop turbine into a desktop polishing machine using these desktop turbine spindles, and fix it in place with grub screws. Purpose: Suitable for various polishing wheels such as cloth wheel, fiber wheel, wool wheel, etc., easy to assemble Colour: Black Size: length 88mm, outer diameter 15mm, inner diameter 8mm Delivery quantity: 1 set Warm prompt: 1.As different measuring methods,it will occur 1-3 cm deviation about the items,please ensure that it is okay for you before ordering. 2. Because of different monitors and lamplight, the picture may not reflect the actual color of the item, really thank you for your kind understanding 3. Only the above package contents, excluding other products.