Keywords: Frearson vs Phillips.svg Comparison of Philips and Frearson screw heads Originally uploaded by en User Doodle77 as a en potraced rendering of en Image Frearson_vs_Phillips JPG Subsequently redrawn from scratch by en User Sakurambo en wikipedia 2007-07-23 Doodle77 wikipedia en Later versions were uploaded by Sakurambo at http //en wikipedia org en wikipedia v Released into the public domain by the author Doodle77 original upload log page en wikipedia Frearson_vs_Phillips svg 2007-07-24 14 29 Sakurambo 200×261×0 2465 bytes <nowiki>redrawn from scratch</nowiki> 2007-07-23 01 09 Doodle77 585×750×0 2678 bytes <nowiki> Image Frearson_vs_Phillips jpg cleaned up potraced then edited to re-add the text potrace -s Frearson_vs_Phillips bmp -k 0 7 -O 1 </nowiki> Screwdriver bits Drawings of screw heads |