Check the listing for details. Fiberglass Background Stamp Set, Barry King Leather Stamping Tools. Condition: New. Listed at 99.95 USD. This is a 3-Piece Fiberglass Background Stamp Set. It is a great stamp set that produces great impressions. These stamps measure 1/8", 3/16" & 5/16" in length. If you want to make your work have a look of quality, this would be a great stamp set to add to your collection. Barry King Tools have gained a reputation for making quality tools for the serious leather craftsman. Barry is a master leather stamper, so he knows how a tool should be made and you can see that in each of his tools. Using only stainless steel in the making of these tools, you will see the precision grinding in every impression you make. If you have been wanting to take your leather carving to the next level, investing in stamps made by Barry King is a great first step.