Anodizing Line Clamps & Fixtures | Manual, Automatic & Mini Anodizing Lines Anodizing line clamps and fixtures are used to hold aluminum profiles and small aluminum parts during anodizing, coloring and related surface treatment processes. They help keep workpieces in position, support stable loading and unloading, and can be configured for different line types. MEI-AL provides clamps and fixtures for manual anodizing lines, automatic anodizing lines and mini/small batch