Double hole tub sharpener

Double hole tub sharpener with two holes for different pencils,
For standard-sized blacklead pencils up to 8.2 mm diameter, for standard-sized coloured pencils up to 8.2 mm diameter,
For thick blacklead and coloured pencils up to 10.2 mm diameter,
Hinged cover prevents shavings from spilling, lid with safety lock to avoid accidental opening.