Popular sizes # 76*70mm # 76*76mm Specially for cash register or pos machine use. NCR Paper Rolls Popular sizes76*70mm 76*76mm Specially for cash register or pos machine use.Specification1) 2 or 3 ply, white/ pink/ yellow 2) Gsm: CB, 45g; CFB, 50g; CF, 47g. 3) Blue image, good in image effect.4) Multi-ply available.5) Diameter of roll: 76mm, 57mm, 76mm, 80mm, special dimensions available.