TC Cutter - cut 10 For coarse abrasion on chrome - cobalt alloys, precious metal alloys, chrome - nickel alloys, model cast alloys, acrylics TC Cutter - cut 50 For efficient reduction of resins incl. tray TC Cutter - cut 55 For gross reduction of resins and plaster as well as resin-based tray materials. materials as well as plaster