Fanfold Paper Strip Chart, Compatible with Manufacturer Model Number 4151, 4152, 4153, Lowest Generic Number Recorded 0, Minimum DC Current Measurement Not Applicable, Product Type Fanfold Paper Strip Chart, Strip Chart Length 53 ft, Grid Color Gray, Increment of Variation 20, Strip Chart Width 4 1/2 in, Highest Generic Number Recorded 100, Maximum AC Current Measurement Not Applicable, Maximum AC Voltage Measured Not Applicable, Maximum DC Voltage Measured Not Applicable.