Starrett 8440-1 4" x 7" Calibration standard for pixel calibration and verification NIST traceable Brand: Starrett ID#: 8440-1-STR |MFGID: 8440-1 Calibration Reference $1,540.86 Quantity discounts available QuantityPrice Qty -+ Add to Cart Share Product Info Product Information Description Starrett 8440-1 4" x 7" Calibration standard - used for pixel calibration and verification - NIST traceable Specifications