The new 55510 Professional 4.0 self-inking stamp numberer has an impression size of 55 x 32mm that you can stamp up to 10 numbers at once. Trodat's self inking number stamp features a new brushed stainless steel finish giving it a professional look while ensuring durability for heavy use. The 55510 has 10 bands with a character height of 5mm with each one containing digits 0 to 9, plus additional characters including #, %, € and many more on the first band for further versatility of the stamp. Along with an ergonomic handle, the stamp has cushioning elements to reduce vibrations for a better imprint. The built-in ink pad ensures clear prints and long lasting use.