Item Name: Metal Stamp Punches Alpha-numeric Punch Letter & Number Punch Alphabet Punches. Hardness: about 50 degrees, the surface is sandblasted (rust-proof).38-piece set of steel stamps: It consists of 26 capital letters A-Z, plus & and 9 numbers 0-8 (6 and 9 are interchangeable), plus an automatic copper punch. Material: 40 chromeSpecification: 3MMOverall Heat treatmentThis product is used for: lettering on woodworking, aluminum, luggage, plastic, leather, etcThe font typed out is normal, and the font is clear.Packing:1Set Due to the difference between different monitors,the picture may not reflect the actual color of the itemPlease allow 0.1-1cm differs due to manual measurement,thanks *Please make