Granite Surface Plate 450 x 450 x 75mm Grade 1
A Mitutoyo surface plate made from fine-grained black granite. This material has many advantages compared to cast iron in this application, such as being non-magnetic, rustless, twice as hard, non-burr-forming and not prone to stickiness.
Granite Surface Plate 600 x 600 x 75mm Grade 1
Granite Surface Plate 750 x 600 x 100mm Grade 0