Mineral products, Diverse merchandise and products, 96 Miscellaneous manufactured articles, 96.08 -ball point pens; felt tipped and other porous-tipped pens and markers; fountain pens, stylograph pens and other pens; duplicating styli; propelling or sliding pencils (for example, mechanical pencils); pen-holders, pencil-holders and similar holders; parts (including caps and clips) of the foregoing articles, other than those of heading 9609:, 96.08.50.00 -ball point pens; felt tipped and other porous-tipped pens and markers; fountain pens, stylograph pens and other pens; duplicating styli; propelling or sliding pencils (for example, mechanical pencils); pen-holders, pencil-holders and similar holders; parts (including caps and clips) of the foregoing articles, other than those of heading 9609: --sets of items belonging to, at least, two of the previous subheadings, Diverse merchandise and products, 96 Miscellaneous manufactured articles, 96.04.00.00.000.R -sieves and screens, handheld, Services, Companies