Business Source Thermal Paper Roll, 3-1/8"x230', 50/CT, White (BSN25346) 50 RollsThermal paper rolls are made with top quality thermal paper and deliver crisp, clear images. Inner dimension of the core measures 7 16" in diameter. The outer dimensions are 7 8" in diameter. General Information Manufacturer: Business Source Manufacturer Part Number: 25346 Brand Name: Business Source Product Name: Thermal Paper Marketing Information: Thermal paper rolls are made with top quality thermal paper and deliver crisp, clear images. Inner