Professional quality. Hardened and tempered blued steel blade. Oiled rosewood stock with heavy brass inside face. Blade permanently secured with three brass rivets. https://elecena.pl/product/27262521/ck-tools-t3540-09-joiners-square-225mm 2024-11-13 https://elecena.pl/product/27262521/ck-tools-t3540-09-joiners-square-225mm 2026-02-04