525442-3 is a wire/slip gauge handtool package designed for precise wire size measurement and verification. The gauge package includes a wire/slip gauge handtool, a protective box, and a certificate of calibration to ensure measurement accuracy and traceability. The gauge features go (green) and no-go (red) measurement slots for wire size verification, with labeling indicating wire sizes in AWG (American Wire Gauge) format. The product is manufactured by TE Connectivity/AMP Brand and includes calibration documentation specific to each gauge unit. This tool is commonly used in electrical assembly, quality control, and wire verification applications where accurate wire gauge measurement is critical for proper connector termination and electrical safety.