ali industries 5041-003 Master Mechanic, 6 Pack, 3-2/3 -Inch x 9 -Inch, 150 Grit, 1/3 Sheet Sandpaper The product is Master Mechanic, 6 Pack, 3-2/3" x 9", 150 Grit, 1/3 Sheet Sandpaper, For Use On Wood, Metal, Fiberglass, & Painted Surfaces. Easy to use The product is manufactured in China 6 pack 3-2/3" x 9" 150 grit fine 1/3 sheet sandpaper Works with any 1/3 sheet clamp-on palm or finishing sander Heavy duty multi-surface sand paper is made of premium resin