Specifications:1)Product name: 3" core CAD plotter paper roll,Website:http://www.ghpaperfactory.com, 3" core engineering plotter paper roll;2)Material: bond paper ... ;3)Size: 297mmx150m, 420mmx150m, 440mmx150m, 620mmx150m, 880mmx150m, 914mmx150m, etc.;4)Core: cardboard core, 3";5 ...