About this item -5mm hole on back of stamp,Materials :metal brass(70% copper and 30% zinc),-Size: 1/2 inche-10 inches,Thickness-8mm,Depth to engrave: 2.5mm - 3.5mm This 26 Interchangeable Alphabet Letter Brass leather stamp with T-slot holder can work with our branding iron and stamping machine , you can choose difference font and size as you like , and you can choose different sets to save your cost:) How to Process the order 1.Choose the Set you need 2.P;ease leave your ideal font , if you…