BLOCKHEAD CALIBRATION© Gage Block Calibration Services Blockhead Calibration is a department of Northeast Metrology Inc. based in East Longmeadow, Massachusetts. Northeast Metrology Inc. has provided calibration and repair services for over 30 years on many different types of gages. In addition to calibrating gage blocks, we repair and calibrate precision measuring tools, such as micrometers, calipers, height gages, and dial indicators. Please look us up on the internet at www.nemetrology.com for further information on the services we provide. Northeast Metrology Inc. is accredited by ACLASS as an ISO 17025:2005 accredited laboratory. Our scope and certificate are available for you to review. Blockhead Calibration features prices and turnaround times for precision calibration of gage blocks that we believe are unbeatable in the service industry today. We calibrate all brands, grades, materials (steel, chromium plated steel, tungsten carbide, and ceramic), and shapes (square, round, or rectangular), English or metric. The following prices are for pre-paid purchase orders or credit card payments ONLY. We will not be able to extend terms to any company at these prices. If you can verify a lower price elsewhere, send us a copy of the ad or quote and we will attempt to beat that price.