Sanding Disc 4.5"adaptor

Sandblaster, 4.5", Quick Change Hub Adapter For Right Angle Grinder, Fits 4.5" & 5" Right Angle Grinders With A 5/8"-11Thread Per Inch External Shaft Size, Attaches Easily, Spin On/Off Sanding Discs In Seconds, Makes Changing Discs A Snap, Quickly Attach A Variety Of Versatile Grinding, Sanding, & Finishing Discs Without The Need For Wrenches, Provides Support While Also Allowing Some Flexibility To Finish Contoured Or Curved Surfaces, Use With Sandblaster Right Angle Grinder Discs, Model #9677, #9678, #9679, #9680, #9681 & #9682.