Thickness Gauges or "Feeler" Stock In RollsRoll INCH READING ROLLS CARDBOARD BOX Handy 25' and 7. 6 m rolls 1 2" and 12. 7 mm wide, in a compact, sturdy plastic rewindable dispenser case Rewind feature permits retracting thinner feeler stock into the case, preventing damage Made of the finest tempered steel Marked every 6" or 150 mm with a line, thickness in thousandths of an inch or in hundredths of a mm Thickness: 0. 0005" Material: Steel Manufacturer Part Number: 666 1 2 EDP No.: 64210