Descriptions: 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. Features: 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. M10-5mm sleeve, suitable for 16mm bore of the saw blade or grinding wheel, connect 5mm shaft or 5mm motor shaft. M10-8mm sleeve, suitable for 16mm bore of the saw blade or grinding wheel, connecting 8mm shaft or 8mm motor shaft. M10-10mm sleeve, suitable for 16mm bore of the saw blade or grinding wheel, connecting 10mm or 10mm motor shaft. M10-12mm sleeve, suitable for 16mm bore of the saw blade or grinding wheel, connecting 12mm shaft or 12mm motor shaft. Specifications: Sleeve(Optional): M10-5mm, M10-8mm, M10-10mm, M10-12mm(Hole Diameter) Weight:136g,142g,143g,144g Package Included: 1 x sleeve 1 x wrench 1 x fixture wrench 1 x hex wrench 2 x round accessories