10 - STEPS Calibration Block Calibrator for All Ultrasonic Thickness Gauge Meter

Its my own products to test Ultrasonic Thickness MeterMeasuring Levels (steps), mm: 1, 2, 3, 4, 5, 6, 7, 8, 9, 10 mmMeasuring Levels (steps), inch: 0.0394", 0.0787", 0.1181", 0.1575", 0.1969", 0.2362", 0.2756", 0.3149", 0.3543", 0.3937" Tolerance: 0,01 mm (0.0004") Material: 30HGSA, oxidizedABOUT FEEDBACK:Please, leave your Feedback on the receipt of the goods. For me it is very important to have feedback from my customers. If you have any questions about an item, PLEASE CONTACT with me, I always try to achieve the satisfaction of my clients so that You would like to deal with me in the future.NOTE ABOUT DELIVERY TIMEI try to send the goods you paid during the business - day. Delivery time depends on the carrier