Granite Tri-Square, Pink, 3-Face, A, 6x9x3, Starrett, Mfr#: 81970

Granite Tri-Square, Long Form Calibration Certificate No, Material Granite, Application Grade Inspection, Color Pink, Flatness 0.000050 in per 6 in, Grade A, Height – Inch 9 in, Height (mm) 225, Included Certification Short Form Certificate of Accuracy with NIST Traceability, Length (In.) 6 in, Length (mm) 150, Number of Finished Faces 3, Number of Pieces Single Block, Parallelism 0.000050 in per 6 in, Maximum of 0.000075 in, Size (In.) 6 in x 9 in x 3 in, Size (mm) 150 mm x 225 mm x 75 mm