Wide Angle Ran 29°–90° Covers multiple thread angles for versatile inspection and measurement in machining and industrial tasks. Precision Stainless Steel Plate Made from stainless steel with 1.2 mm thickness, ensuring long-lasting accuracy and wear resistance. Multi-Angle Calibration Tool Designed for quick verification of screw thread angles, improving efficiency in lathes and milling setups. Industrial-Grade Accuracy Precision machined for reliable angle measurement, supporting professional workflows in manufacturing and engineering. Compact & Easy to Use Lightweight plate fits easily in toolboxes, offering convenient access for on-site and workshop inspections.