This is a very unique thumbstud inlay design for custom folding knife designs. The Tulip Style Inlay Thumbstud can really add that special touch to your folder designs by adding a 7/32" inch mosaic pinstock inlay or other 7/32" diameter inlay in the pre-milled bezel channel within this design. The insert can be glued, bezel-set or both. These are very well made and are manufactured in the USA by KnifeKits.com. These tulip style thumbstuds represent the very best in knife making parts and materials.