Opening key for meal trays etc comprises 6 mm thick aluminium bar with a 110 mm long notch to hold and roll back tongue of meal tray

摘要

The opening key comprise a 6 mm thick aluminium bar with a notch 110 mm long so that the tongue of the meal tray can be slotted into the notch and rolled back. The opening key has a triangular operating handle. The rolled up lid can be removed from the opener.