The Swingline Optima Electric Pencil Sharpener delivers fast, quiet and reliable results. Its powerful AC motor, combined with carbon steel blades, provide a perfect pencil tip in seconds, while being silent enough for noise-sensitive environments. Rotatable dial accommodates up to 6 different pencil sizes, including triangular student pencils. Swingline Pencil Sharpeners part of a large selection of office supplies. Swingline(R) Optima(R) Electric Pencil Sharpener, Black/Orange is one of many Electric/Battery Operated Pencil Sharpeners available through Office Depot. Made by Swingline.