| Precision Calibration: Ideal for zero-setting inside micrometers and gages. Versatile Application: Compatible with 3-point internal micrometers and bores. Exact Dimensions: Manufactured to a 1/4? diameter for high-precision use. Durable Construction: Made from high-quality steel for long-term wear resistance. Included Certificate: Ships with a manufacturer inspection certificate included. | Reliable Accuracy: Essential for maintaining consistent measurement standards. Professional Grade: Designed for industrial and machine shop environments. Easy Identification: Clearly marked with specific size and deviation data. Stable Performance: Provides a reliable reference point for tool setup. Compact Design: Small, portable size for convenient storage and daily use. |