Granite surface plates are more popular than cast iron plates. Measurement surface for flatness, parallelism, and straightness measurements. Granite plate stands is not included. Size Width x Lenght x Thickness (MM) Grade 450 x 600 x 100 00 600 x 900 x 100 00 750 x 1000 x 150 00 600 x 600 x 100 00 1000 x 1000 x 200 00 900 x 1200 x 150 00 1500 x 2000 x 200 00
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