The TRODAT self-inking number and line daters work and feel as great as they look. Just one impression and you will appreciate the ergonomic handle and heavy duty construction. The TRODAT self-inking number and line daters feature a heavy duty frame and precision components for a smooth, quiet action and many years of trouble free operation. Deep molded bands provide clean, sharp stamp impressions. Oversized band adjustment wheels prevent your fingers from contacting the date/number bands and make date/number adjustment easy. The 6000 Series stamps are an excellent choice for your high volume stamping needs.  Special locking grooves on the back of the date and number band mechanism provide a sure positioning system for accurate band alignment.