/ Precision Measuring Tools / Precision Hand Tools / Precision Rules, Straight Edges & Parallels / Precision Rules / C601-12 We are sorry but the item (C601-12 Spring Tempered Steel Rule with Inch Graduations, 12" Length, 1" Width, 3/64" Thickness) you are looking for is no longer available Please reach out to us at custsupport@starrett.com or call at 978-249-3551 for assistance. There is a newer version of this product available C604R-12 Spring Tempered Steel Rule with Inch Graduations The Starrett 12" Spring-Tempered Steel Rule with Inch Graduation features a satin chrome finish. 3D CAD Files / Exploded Parts Diagram Login to see related product files. Or create an account.