Seeder S631 Leather Stamp. Stamped on the tool is S631 & Craft Japan. One-piece, solid steel construction provides outstanding strength & durability. Chrome plate finish adds a beautiful, shiny appearance. Knurled handle for good grip. Quality leathercraft stamp makes a crisp impression on veg-tanned leather. Brand new leather design stamp at an economical price. Approx. stamp dimensions: 3/32 (2.4mm) diameter. Seeder S631 Leather Stamp