Binder clips; Boxes for pens; Compasses for drawing; Drawing boards; Drawing materials for blackboards; Drawing pads; Fountain pens; Hand-held paper knives; Memo pads; Note books; Paper clips; Pen cases; Pencil holders; Pencil sharpeners; Pencil sharpeners, electric or non-electric; Square rulers for drawing; Staplers being office requisites; Staples for offices; Thumb tacks; Writing instruments