1 set Angle Grinder Chuck 775 motor chuck 5mm bore to 5 Kit Motor Shaft Coupler M10-5/8/10/12mm Sleeve Saw Blade Coupling Saw Chuck Adapter(5mm)(5mm) M10-5mm sleeve, suitable for 16mm bore of the saw blade or grinding wheel, connect 5mm shaft or 5mm motor shaft Can also be installed 16MM or 20MM aperture of the , polishing film, grinding and so on M10-10mm bushing, suitable for 16mm bore of the saw blade or grinding wheel, connecting 10mm or 10mm motor shaft Descriptions: This sleeve, installed on the grinding mill can be sanding disc polishing grinding, can also be installed 16MM or 20MM aperture of the , polishing film, grinding and so on. Such as shop cut films, wood saw blade, impeller, etc., can be connected to use. 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