I-shaped Straight Edge Grade A Quenched JIS B7514 Standard Product

[Features]
· An I-type product which has passed the JIS standards for straight rulers (JISB7514).
· It is ideal for inspecting flatness, straightness, parallelism, etc.
· The precision surface dimension (same as nominal dimension) excludes 20 mm from both ends.
· For products with the length of 1,500 mm or above, elongated handle holes are made for easy operation.
· All sizes are quenched products