Thép khối đo hình chữ nhật với lớp 1 cho đánh dấu kích thước chính xác

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May 20, 2025
Video Description:
Discover the 38Pcs Steel Metric Rectangular Gauge Blocks with Grade 1, designed for precision dimension marking. These high-quality gauge blocks meet DIN standards, offer excellent wear resistance, and can be used individually or combined for various sizes. Perfect for verifying measuring instruments and precision machine tool adjustments.