KOVAX® 853 0320 PF Premium Series File Sheet Roll, 2 3 4 in W x 35 m L, 320 Grit, P320 C Grade gravity feed dispenser this CenterFire Insulation Knife Blade Color:Black w Red Handle this CenterFire Insulation Knife Blade features a non serrated edge that quickly cuts through foam and fiber insulation products while eliminating dust and debris Cutterhead insert size: 15 x 15 x 2 superb finishes and effortless sanding 00108 hand blocks Manufacturer Eagle Abrasives UPC 4934446251725 Brand KOVAX® Part Status A Grit 320 Grade P320 C Abrasive Material Aluminum Oxide Series PF Premium Width (in) 2 3 4 Backing Material Paper Attachment Type Stickon (PSA)