Description Grit: 6#,16#,30#,60#,80#,120#,150#,220# etc Bond: Super Soft, Soft, Medium Hard, Hard, Super Hard; Wet or Dry Use. Advantage 30% more segment mass than a double bar; Larger surface area reduces swirl marks; Using round segments often makes for an easier transition into resin polishing pads; Efficient, stock removal for improve labor production while reducing tooling cost.