MULTI-FUNCTION COMPARISON WAY: This versatile tool allows for both visual and tactile assessments, accommodating different textures from flat milling to vertical milling and various grinding techniques. It's an indispensable resource for precise texture comparison. RA0.8-6.3 SURFACES: Utilize four carbon steel samples to compare external polishing quality. Each sample is designed with high hardness and excellent wear resistance, offering reliable and consistent results for evaluation. FLAT EXTERNAL POLISHING SAMPLE: Designed for clarity and ease of use, this sample features a well-organized layout with grades clearly marked. It is an essential tool for accurate inspection and quality control processes in various manufacturing environments. COMPARISON SAMPLE: Experience the in identifying finishes across 7 different machining methods including lathe, milling, grinding, and planer. This sample set provides precise reference standards, ensuring accurate assessments in industrial settings. PACKAGE INCLUDES 4 PIECES: This comprehensive set provides a general solution for evaluating in industrial environments, whether in , traveling, or within workshop settings. It's designed to meet the needs of professionals in diverse sectors., Manufacturer: Akfldms