The B6 is the best selling 6 digit Automatic number stamp due to its easy to use functions. It is a very strong and reliable machine in which the numbers advance automatically. It is a self inking stamp made from high quality plastics and metal and the character height is 4.5mm. The 6 digit number stamp automatically rotate due to it’s premium alloy wheels. The stamp is fast and reliable and is constructed of a metal frame therefor making it very sturdy. Actions can be 0x, 1x, 2x, 3x, 4x, 5x, 6x, 12x and 20x repetition and the imprint starts at 0 and goes up 999999. Customers also like the Reiner ND6K as it is similar although it has even more functionality.