Portable and organized storage: The calibration weight set is housed in a compact plastic box with a protective sponge lining, keeping weights organized, protected, and easily accessible. The enclosure helps minimize movement and noise, suitable for quiet work environments. Flexible weight options for precise calibration: Includes a full range of commonly used calibration weights (1 g, 2 g, 5 g, 10 g, 20 g, 50 g, 100 g, 200 g, 500 g), with multiple pieces for the most frequently used sizes. This variety supports calibration tasks across different scales and precision requirements. Durable, precisionmade steel weights: Crafted from steel for stability and durability, employing advanced manufacturing to ensure tight tolerances and reliable accuracy for calibration tasks. Practical use scenarios: Calibrating laboratory balances, analytical or precision scales, and QA equipment in labs or workshops. Verifying the accuracy of jewelry, electronics, or kitchen and postal scales in professional settings. Educational demonstrations or training sessions in classrooms or maker spaces requiring dependable reference weights.