Size

 Straightnes & Flatness of working surface

 Parallelism between working surface

 Squareness between working surface and side surface

 400*60*25

 1.6

 2.4

 8.0

 630*100*35

 2.1

 3.2

 10.5

 1000*60*50

 3.0

 4.5

 15

 600*250*80

 4.4

 6.6

 22

 2000*300*100

 5.4

 8.1

 27