Color A/B Scan Thickness Gauge. Thru Coating Thickness Gauges. 4 Step Calibration Block. 5 Step Calibration Block. 6 Step Calibration Block. 10 Step Calibration Block. 8 Step Calibration Block. Battery Operated UV Lights. Portable UV Inspection Lights. YUSHI 10-step Thickness Gauge Calibration Block 2.50mm-25.00mm 1018 Steel NDT. Details Application: for thickness and linearity calibration Dimension: 200mmx20mm. Model: 10-step 2.50mm 5.00mm 7.50mm 10.00mm 12.50mm15.00mm 17.50mm 20.00mm 22.50mm 25.00mm Listing Including A10-step block with factory certificate. If you have any questions or comments whatsoever regarding our products or listing, we are waiting to hear from you. YUSHI INSTRUMENTS, formerly the Shenyang Flaw Detector Factory, originated in 1985. As one of the professional manufactures and suppliers of NDT products in China, we own the independent intellectual property rights and honorably have the national patents for new products. Sincerely looking forward to earlier and long cooperation with you. You May Also Like.