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.
Specification
Dimensions L x W x H: 1200 x 600 x 100 mm
Accuracy: BS 817 Grade 1
Delivered: With Stand