ITEM NAME:M10 Motor Shaft Rod Coupler Sleeve Saw Angle Grinder Drill Adapter Set 5mm Description: Motor Shaft Coupler Sleeve Saw Connecting Rod Coupling Saw Chuck Adapter Triangle shape handle design cut the tightest drill not easy to shake and slip nut Fits for installed 16mm or 20mm aperture of the slice, polishing film, grinding and so on Match The Motor Shaft Diameter: 5mm, 6mm, 8mm, 10mm, 12mm Suit for the polishing machine, good resistance to abrasion, long service life Specification: Material: Alloy Connected Rod Diameter: 8mm / 0.31in Connected Rod Length: 53mm / 2.09in M10-5mm Sleeve, Match Motor Shaft Diameter: 5mm M10-6mm sleeve, Match Motor Shaft Diameter: 6mm M10-8mm sleeve, Match Motor Shaft Diameter: 8mm M10-10mm sleeve, Match Motor Shaft Diameter: 10mm M10-12mm sleeve, Match Motor Shaft Diameter: 12mm Package Includes: 1 x Connecting Rod 2 x Splints 1 x Rod Key Connection 1 x Fixture Wrench 1 x Hexagonal Wrench Note: Please allow 1-2mm error due to manual measurement, make sure that you do not mind before you.Motor Shaft Coupler Sleeve Saw Connecting Rod Coupling Saw Chuck Adapter. Fits for installed 16mm or 20mm aperture of the slice, polishing film, grinding and so on. Triangle shape handle design cut the tightest drill not easy to shake and slip nut.