ToolPro Sanding Pads are manufactured to OEM specifications, providing a superior finish and longer life Our proprietary thermoadhesive bonding of sandpaper to foam produces a uniform sanding surface that eliminates the buildup of dust on the Sanding Pad that can impact the finish The concentric design means no vibration and the finest gluing technique means the paper will not delaminate from the foam backing like so many othersDesigned to work with all power sanders as well as all nominal 9 in 225 mm round hand sanders including porter cable, flex and alekoFine 180 grit for finish sanding and cleaning of bare surfacesMade with the highest quality anticlog aluminum oxide grit for longer disc life, higher removal rate and consistent surface finishGreat for final cleanup of light residue and finish