These Starrett rulers have a satin chrome finish, are quick reading and spring tempered. Great for checking flatness as well as measuring. Straightness tolerances is .001” over 12" (30.48cm). Parallelism tolerances is .002” over 24" (60.96cm)
All rulers are graduated in 1/8ths & 1/16ths on one side and 1/32nds & 1/64ths on the other.
The 6” Ruler is offered in two widths: ½” and ¾”. The wider (3/4”) rule also has graduations on each end up to ½”. End graduations are in 1/32nds. Great for measuring small heights such as tenon shoulders.