Specification Brand : FTVOGUE BulletPoint1 : M10 to 5mm sleeve, suitable for 16mm bore of the saw blade or grinding wheel, connect 5mm shaft or 5mm motor shaft. BulletPoint2 : Can also be installed 16MM or 20MM aperture of the , polishing film, grinding and so on. BulletPoint3 : If you have any questions about our products and services, please feel to us, we will reply you as soon as possible. BulletPoint4 : M10 to 5mm sleeve, suitable for 16mm bore of the saw blade or grinding wheel, connect 5mm shaft or 5mm motor shaft BulletPoint5 : M10 to 10mm bushing, suitable for 16mm bore of the saw blade or grinding wheel, connecting 10mm or 10mm motor shaft. FinishType : Powder Coated IncludedComponents : 2 couplings 1 wrench 8 screws ItemLength : 4.5 inches ItemName : Couplings Joints Motor Shaft Coupler Sleeve Saw Blade Coupling Saw Chuck Adapter M10 to 5/8/10/12mm(8mm), Angle Grinders (5mm) ItemPackageDimensions_Height : 15.1 centimeters ItemPackageDimensions_Length : 2.3 centimeters ItemPackageDimensions_Width : 10.3 centimeters ItemPackageQuantity : 1 ItemTypeKeyword : set-screw-couplings Manufacturer : FTVOGUE Material : Brass MetalType : Aluminum ModelName : Ftvogue450mf87du3-01 ModelNumber : FTVOGUE450mf87du3-01 NumberOfItems : 1 PartNumber : FTVOGUE450mf87du3-01 ProductDescription : 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.