New 10&rdquo; Pro Diamond Grinding Head Disc Plate for Edco, Husqvana, MK, Blastrac, Diamond Products Floor Grinders, 20 Arrow Segments- Premium Quality Designed for removing hard epoxies and coatings, erasing concrete imperfections... Large segments contain coarse grit diamonds for very fast grinding with a smoother finish. 20 large segments - for fast removal. Four bolt hole patterns  for most of grinding machines on the market (Edco, Husqvana, MK, Blastrac, Diamond Products...) Use Wet or Dry.