花岗岩直尺订货号:OXD-306-6020K Precisiongraniteproductsaremanufacturedtothehighestqualitystandardstoprovideanaccuratesurfacefromwhichfinalmeasurementscanbetaken.Moredimensionallystablethansteelorcastiron,withalowthermalexpansionco-efficient.Doesnotburr,iscorrosionfreeandeasytomaintain.StraightEdgesUsedforcheckingsurfacesforstraightness,drawingandscribingstraightlines.ManufacturedtoBS5204:Part2:GradeA.Suppliedwithcalibrationcertificate. Weight OrderCode Price/1LxWxH each OXD-306 RMB630x100x35mm 7kg -6020K 3458.501000x160x50mm 10kg -6040K 6294.80