These buffing wheels are perfect for all types of smaller buffing or detail finishing projects. Cotton wheels will accept polishing compound and 1/4" shank will fit most power drills and screwdrivers.Features50 ply for a full thick face width1/4" x 1-1/2" shankUse with all drill chucks or flexible shaftsGreat for Satin-Glo Greasless polish and Formax polishing bars