1000 per roll, 4 per case, per pack Compatible Printers 105S, 105Se, 105SL, 110PAX3, 110PAX4, 110XiIIIPlus, 140Xi, 140XiII, 140XiIII, 140XiIIIPlus, 160S, 170PAX, 170PAX3, 170PAX4, 170Xi, 170XiII, 170XiIII, 170XiIIIPlus, 2746, 2746e, Ht-146, R-140, R110PAX3, R110Xi, R110XiIIIPlus, R170Xi, R4Mplus, S400, S4M, S600, TLP 2344, Z4000, Z4M, Z4Mplus, Z6000, Z6M, Z6Mplus, ZM400, ZM600 Outer Diameter 8" (203.2 mm) Inner Core Diameter 3" (76.2 mm)