d3 [Size] 6.5mm (1 piece) [36-piece Engraving Set] This is a letter stamp engraving set recommended for original leathercraft production. It includes 26 stamps for alphabets A to Z, 10 stamps for numbers 0 to 9, and a handle. [Rust-resistant Stainless Steel] The stamp part is made of stainless steel. The handle is made of stainless steel. It is a durable and long-lasting material that is easy for beginners to handle. Sizes of 3.5mm and 6.5mm are available. [Easy to Use] How to use: Simply set the stamp of the desired letter on the handle, hold it vertically, and strike it with a hammer. You can engrave clearly and without blurring if you do it on a stable base such as a metal palette. [Handmade Essentials] Can be used for handmade leathercraft such as keychains, pet collars, name tags, accessories, and wallets.