Attention: This thermal paper roll is 3 inches in width. It is not 3 1/8 inches, which is a much more popular size. Please see compatible printer list below. 3″ x 230′ Thermal Paper (50 rolls/case) – BPA FreeWidth: 3″ (76 mm)Length: 230′ (70m)Roll Diameter: 3″ (76 mm)BPA Free (Contains no Bisphenol A)Core size = 1/2″Packaging: 50 Rolls Per CaseEnd of paper roll warning stripe48 gram basis weight / 2.1 mil caliper (thickness)100% Lint Free paper to reduce printer jamsCompatible Printers:Axiohm A756 SeriesIBM POS Restaurant SystemIngenico Scribe 612Star TSP200 Series (serial #’s below 930)Star TSP200-120Star TSP200-24(Adjustable Width)Citizen 1000