4/0 Flat Emery Stick - Package of 12 Emery sticks are sticks of wood with emery paper glued to them. These emery sticks are available in flat, round tapered and half round tapered. Available in 8 different grits, from a grit 4/0 (very fine) to a grit 4 (coarse). The flat emery sticks are available individually, or as packages of 12. The round and half round are sold individually. Majority of these emery sticks have an approximate overall length of 9", with a cutting surface of 6".