Clasp Master
   Offering a bracelet fastening tool.
   http://www.claspmaster.com/

Pearson Jewelry Tools and Supplies
   Offers a wide range of tools and supplies for the manufacturing jewelry.
   http://www.pearson-jewelry.com

The Magic Loupe
   Jewelers loupe and diamond hardness tester combined.
   http://www.magicloupe.com/

Widget Supply
   Offers items for Dremel rotary tools, precision tools, loupes, and jeweler's tools.
   http://www.widgetsupply.com/

WigJig Jewelry Tools
   Specializes in beads, wire and jewelry supplies. Site includes free jewelry making designs and instructions.
   http://www.wigjig.com