Thank you for viewing. No comments needed ☆ Immediate purchase OK ☆ ★----★----★----ЩЁＬСОМЁ----★----★----★ Morse Code Set of 4 dot & dash symbols Design Size Large dash hyphen: Approximately 3mm Small dash hyphen: Approximately 2mm Large dot middle dot: Approximately 1mm Small dot middle dot: Approximately 0.5mm These are professional-quality stamps manufactured to the highest standards. Please store them with a light coating of oil to prevent rust. These stamps are designed from hardened steel and can be used on soft and hard metals, up to stainless steel*. The sharp design edges allow for clear and deep designs. Marks are placed on the sides of the stamps to easily identify the character types and their orientation. *Rated for soft and hard metals up to stainless steel Alkemé, aluminum, pewter, copper, brass, silver, gold, stainless steel 304-308, and other metals up to 66HRC Rockwell hardness. In addition to being used for hobbies such as metalworking, leathercraft, art clay, and interior goods production, they are also used by many professionals who hold metalworking classes. Tools, tool, engraving, school, classroom, workshop, teaching materials, original, handmade