This two hole pencil sharpener is designed for use with standard-sized black lead pencils up to 8.2 mm with a sharpening angle of 23 degrees for clear and accurate lines, and thick black lead and colored pencils up to 10.2mm with a sharpening angle of 30 degrees for broad, soft lines. It features a metal sharpener insert, a hinged cover to prevent shavings from spilling and a lid with safety lock to avoid accidental opening.