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 4R inch graduations are in 8ths and 16ths on one side; reverse side of the rule is in 32ths and 64ths Flexible rules are 0.020" thick