Antimicrobial protected, manual pencil sharpener features eight dial openings for multiple pencil sizes. Extra-quiet, dual 12-blade cutters keep points sharp. HHC2 replaceable, dual cutter allows six times longer life for the product. Tip Saver, auto-stop technology prevents oversharpening so it extends your pencils' life. Pencil sharpener offers a large shavings receptacle and sturdy all-metal construction. Oversized ergonomic grip is easy for kids to use. Mount vertically or horizontally withincluded clamp and screws.