The Proving Rings we offer are crafted from top-grade steel that has been expertly forged for optimal strength and meticulously machined to ensure high sensitivity and stability, guaranteeing both precision and longevity. Our rings come complete with a dial gauge and works calibration chart, providing a comprehensive package for your measuring needs. Should calibration be required, we can arrange this for an additional fee. Additionally, we can provide custom-made proving rings tailored to meet your specific requirements upon request.