•we can supply PBN with either "a" or "c" direction, please specify when ordering, •please find the detailed properties for PBN with "a" or "c" direction, as link shown on the webpage
Size
3" x 3" x 1 mm with axis is parallel to 1 mm thickness
as lapped on all sides with roughness : 2 - 4 microinch (u inch) finish
