I-Shine polishing pads can polish concrete up to three times faster and last longer than traditional phenolic resin pads. Made to fit planetary grinders, single-head grinders, swing machines, and burnishers, they are available in grits down to 16/18 grit and polish as high as 3000 grit. The pads can polish up to 15,000 sq. ft. and attach easily using Velcro. www.the-terminator.com