BeadSmith Universal Metal Punch Stamp Holder, Holds Stamps Up to 15mm In Diameter, 1 Piece Keep your fingers safely out of the way with BeadSmith's metal stamp holder! Easily adjustable: works with square or round stamps up to 15mm in diameter. Enables a clear view of work area. Comfortable textured handle provides a safe and secure grip. 6.5 inches long. Caution! Always wear safety glasses. Not a toy. Not intended for use by children under 15 years of age.