4 1/2" x 165' CASH REGISTER 1 PLY BOND PRINTER POS PAPER ROLL 25 ROLLS / CASE 4 1/2" x 165' 1-Ply Bond Paper POS PAPER MADE IN USA 4.5" (Width) x 3.25" (Diameter) 25 ROLLS PER CASE Core Size = 7/16"