Honeycomb bronze and then tumbled. Comes with everything pictured including Original thumb stud, timascus thumb stud, and also a double timascus thumb stud set up. The item "Grimsmo Norseman #543 Three Timascus Thumb Studs" is in sale since Saturday, October 20, 2018. This item is in the category "Collectibles\Knives, Swords & Blades\Collectible Folding Knives\Modern Folding Knives\Custom & Handmade".The seller is "newtotren" and is located in Concord, North Carolina. This item can be shipped to United States.