Make writing up your receipts easy with out register machines. Our Register Machines fit three different size forms. They are made for 4″ x 6″, 4″ X 6-1/2″ and 5-1/2″ X 8-1/2″. Our best Register Machine is made out of metal and is our part #MAC 9972 and MAC 9975. We also offer 2 heavy plastic Register Machines.