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