Cash sign up paper rolls have a hole in the middle which allows them for being mounted on pre-created dollars sign up device mounts. Thermal sign-up tape also has this hole in the middle which allows for a smooth paper roll spin throughout usage. Get Tremendous-conserving discounts on POS rolls https://bus-ticket-rolls01122.bloggosite.com/35286179/the-best-side-of-bus-ticket-roll-supplier