12 Flexible Steel Rule with Black Finish, 5R Reading Fowler Rules are made made in the USA to the highest standards. These are the best you can buy anywhere. Features: EZ Read Rules are constructed of hardened stainless steel. Etched, white numerals and graduations are easy to read against the non-glare, black finish. 5R inch graduations are in 32nds, 64ths, 10ths and 100ths Flexible rules are .020 thick.Fowler