Descriptions:<br /> This sleeve, installed on the grinding mill can be sanding disc polishing grinding, can also be installed 16MM or 20MM aperture of the slice, polishing film, grinding and so on. Such as shop cut films, wood saw blade, impeller, etc., can be connected to use.<br /> Specifications: <br> Motor shaft coupler Sleeve(Optional): M10-5mm, M10-8mm, M10-10mm, M10-12mm(Hole Diameter)    <br> Package Included: <br> 1 x sleeve <br> 1 x wrench <br> 1 x fixture wrench <br> 1 x hex wrench <br> 2 x round accessories <br> <br /> <br> <br /> <br /> <br> <br /> <br /> <br>