Trodat self inking numberer stamps are built with uncompromising quality and are made for high volume, repetitive stamping. This stamp is constructed of a robust steel core and ABS outer shell with a stable steel positioning frame and shock absorbers contained in an ergonomic design. This makes this stamp perfectly designed for all numbering applications. You may customize your numberer with letter bands (A-M and N-Z) and/or with special bands (letters, numbers or customized symbols as per request). Size: 5/32" Product Features # of bands: 6