LABEL, THERMAL WHT 3 1/2"X1" (1300/RL 8RL/CS) 1300 Per Roll 1300 Per roll 1/8 Inch corner radius Perforated, 1/8 Inch gap between labels Maximum 8 Inch outer diameter, fits printers using 1 Inch cores and accepting 4 Inch outer diameter rolls 1 Inch Core - for Eltron LP, TLP Series and other printers