Ultra Thin Parallels, 6″ Long, 20 pairs

• Set of 20 pairs of ultra thin parallels in a fitted case
• Machinist parallels are 1/32″ thick and 6″ long
• Heights are 1/2″ to 1-11/16″ in 1/16″ steps
• Made of high grade alloy steel hardened to 50 Rc
• Parallel within 0.0001″ on the top and bottom. The pairs are matched in height within 0.0001″

The heights of the parallels are 1/2″, 9/16″, 5/8″, 11/16″, 3/4″, 13/16″, 7/8″, 15/16″, 1″, 1-1/16″, 1-1/8″, 1-3/16″, 1-1/4″, 1-5/16″, 1-3/8″, 1-7/16″, 1-1/2″, 1-9/16″, 1-5/8″, and 1-11/16″.