Industrial-Grade Precision, Masterfully Manufactured Constructed from 304 stainless steel, this dual-channel precision scraper easily measures the particle dispersion of coatings, inks, slurries, and other products, simplifying quality control! Core Advantages: Mirror-grade trough: Ultra-smooth Ra 0.2m, ensuring zero testing error Non-slip base: Ensures rock-solid stability during testing Two measuring ranges: 0-25m (red label) / 0-50m (green label) Included calibration certificate: Each instrument is individually calibrated to ensure authoritative data From raw materials to finished product, we safeguard your product quality throughout the entire process. We are the quality guardian for chemical and coatings companies!