d3 [Size] 6.5mm (1 piece) [36-Piece Stamp Set] This is a letter stamp set recommended for original leathercraft creation. It includes 26 alphabet stamps (A-Z) and 10 number stamps (0-9), along with a handle. [Rust-Resistant Stainless Steel] The stamp portion is made of stainless steel. The handle is made of stainless steel. It's a durable and long-lasting material, easy for beginners to use. Available in 3.5mm and 6.5mm sizes. [Easy to Use] Easy to use. Set the stamp of the desired letter on the handle, hold it vertically, and strike it with a hammer. Performing this on a stable base, such as a metal palette, will help prevent blurring and allow for clear stamping. [Handmade Essentials] Can be used for handmade leathercraft items such as keychains, pet collars, name tags, accessories, and wallets.