Waterproof Abrasive Paper Abrasive Paper for Dry Sanding Slit Roll LW Paper Roll/SW Paper Roll     Appropriate for a wide range of wood, metal, and painted surface sanding applications. Both the LWCR-MS and SWER-MS can be used with a sander or manually. The LWCR-MS emphasizes flexibility while the SWER-MS is suited for applications requiring durability. Type LWCR-MS SWER-MS Backing C-Weight E-Weight Abrasive grain AO AO Adhesive R/R R/R Special treatment Stearated     Grid Quantity Type Size 60 80 100 120 150 180 240 320 400 LWCR-MS 100mmx36.5m O O O O O O O O O 1 roll SWER-MS 100mmx36.5m O O O O O O O O O 1 roll