HELIX

DRAWING INSTRUMENTS *, * [ - ] NAMELY, [ SANDPAPER PADS FOR SHARPENING DRAWING PENCILS, ][ ERASER DUSTING BRUSHES, ] ERASERS, [ BOARD CLIPS, ] LEAD POINTERS, [ SHIELDS, ] TRIANGLES, LETTERING AND NUMBERING GUIDES, * AND * MECHANICAL [ AND ELECTRIC] PENCIL SHARPENERS, [ STAMP RACKS, CHALKBOARDS, CHALKBOARD SUPPLIES, NAMELY, ERASER, CHALK AND PINS; ] [ AND ] [ WRITING INSTRUMENTS - NAMELY, ] [ PENS AND PENCILS ]