This sandpaper sheets assortment pack is perfect for DIY projects, Car restoring, 3d printing, models and small wood projects.Specification:● 1/3 sheet sand papers assorted 50pcs● Size: 9*3.6inch (23*9.1cm)● Material: silicone carbide and electro coated● For wood, metals, glass, ceramics and stone.Package Includes:✔120 grit x 4pcs✔180 grit x 4pcs✔240 grit x 4pcs✔320 grit x 4pcs✔400 grit x 4pcs✔500 grit x 4pcs✔600 grit x 4pcs✔800 grit x 4pcs✔1000 grit x 4pcs✔1200 grit x 4pcs✔1500 grit x 4pcs✔2000 grit x 3pcs✔3000 grit x 3pcsTips:● 120 - 240 grits sandpaper: for rough sanding and scratch removal.● 320 - 500 grits sandpaper: for light sanding surface coatings, metals and other hard surfaces.● 600 - 1000 grits sandpaper: for final touch-ups before painting.● 1200 - 1500 grits sandpaper: for sanding between coats.● 2000 - 3000 grits fine sandpaper: for polishing.Note:The sandpaper sheets were cut to 1/3 sheet by hand, so that the error is about 0.2 inch / 0.5cm.