HHIP 6x6x2 Inch Granite Surface Plate - Grade B 0 Ledge

Improve your measurement precision with the HHIP 6x6x2 inch Granite Surface Plate. Designed for professional calibration and dimensional testing, this Grade B plate offers a stable and reliable surface for your most sensitive work. The granite material is harder than steel, ensuring the surface does not nick or burr during use, which maintains long-term flatness and reliability. Each plate undergoes rigorous testing via an auto-collimator to provide overall accuracy assurance. With a precision rating of +/-.0001 inch, this tool meets or exceeds Federal Specifications GGG-P-463C. The 0 ledge design provides a clean, flat profile for various inspection tasks. Every unit includes a certificate of inspection to verify its performance. This is an essential tool for businesses and laboratories requiring high-quality dimensional calibration and surface measurement.