Technical Specification Item Circular Paper Chart Chart Size (In.) 10 Range -50 to 50 Recording Time (Day) 7 For Use With Partlow Recorders Package Quantity 100 This listing is for pkg. of 100. Chart Size (In.) : 10 in Package Quantity : 100 For Use With : Partlow Recorders Range : -50 to 50 Item : Circular Paper Chart Recording Time (Day) : 7 Country of Origin (subject to change) : United States