51mm x 26mm (1552 labels/roll) die cut labels for TD-4000 and TD-4100N label printers.Compatible Printers: Brother TD-2100 Series, Brother TD-2130 NHC, Brother RJ-4230 B, Brother RuggedJet RJ-4230 B, Brother RJ-4200 Series, Brother RJ-4250 WB, Brother RuggedJet RJ-4000 Series, Brother RuggedJet RJ-4040, Brother RuggedJet RJ-4030, Brother TD-4100 N, Brother TD-2020, Brother TD-2120 N, Brother TD-4000, Brother TD-2130 N