All of these polishing pads have a rigid plastic back plate with a ¼”-20 threaded bolt that will fit Pixie, Genie, Titan and other machines designed with such attachments.
Canvas Pads come untreated for use with other polishes.
Leather Pads comes either smooth or rough side up. Has a foam backing so they will conform to the shape of your stone.
Felt Pads are ½” thick, medium hard, Used with most polishing compounds.