Zebra LD-R3AK5B Z-Perform 1000D Paper Labels | 4.00" x 4.00", Core Diameter: 0.75", 160 LPR, 36 RPC | Zebra QL420 QL420plus P4T PrintersProduct DescriptionOrder Online the Zebra LD-R3AK5B Z-Perform 1000D Paper Labels | 4.00" x 4.00", Core Diameter: 0.75", 160 LPR, 36 RPC | Zebra QL420 QL420plus P4T Printers. |