ruler calculator

A4 Paper size calculator
Model No.:CTO575
Description: Description: SIZE: 210*195*10mmQ'TY/CTN: 24pcs/ctnUNIT PACKING: white boxMEASUREMENT': 61.5*31*23.5cmGW/NW: 13.9*12.3KGS...

arc shape calculator
Model No.:CTO573
Description: Description: SIZE:172*95*18mmQ'TY/CTN:100pcs/ctnUNIT PACKING:white boxMEASUREMENT':52*39*26.5cmGW/NW:14.2/12.3KGS...

mimi desktop calculator 
Model No.:CTO569
Description: Description: SIZE:125*110*15mmQ'TY/CTN:100pcs/ctnUNIT PACKING:white boxMEASUREMENT': 59*32*29.5cmGW/NW:13.4/12KGS...