Made in the USA PEC 12" Flexible Stainless 5R Machinist Engineer Ruler / Rule 1/64, 1/32, 1/10, 1/100
Hardened Stainless Steel Flexible 12" Steel 5R rules made in the USA by Products Engineering Company (PEC Tools), a premier US tool manufacturer. Made from the finest stainless steel available and are hardened and tempered. They have a chrome finish and are precision photo etched and then black filled for easy readability. The 5R graduation shows 32nds and 64ths on one side and 10ths and 100ths on the reverse. Rules are .500" wide and .020" thick. Both long edges are ground flat and straight.