Metal Manual Pencil Sharpener, Manually-Powered, 5.44" x 2.69" x 4.33", Black Replaceable, HHC2™ dual-cutter cartridge—lasts six times longer than nearly all alternatives. Tip Saver Technology™ shapes the perfect pencil tip while preventing over sharpening. Easy-rotate selector dial accommodates eight pencil sizes. Durable all-metal construction. Easy to empty, high-capacity shavings tray. Included clamps and screws for vertical and horizontal mounting.