Couldn't post this in General Faqs, so had to post here.
Due to recent infringements of image copyright, here are some royalty-free images for anyone to use:
1. Steel top pin (anti drill)
2. Steel serrated bottom pin (anti drill):
3. Brass serrated bottom pin:
4. Brass spool pin:
Please use these images as you wish. When I take more, they will be posted for anyone to use in any way they want. You can edit/modify these images as you see fit to do so.