This scale weight is designed with high precision and has a permissible error of +/-0.003g. Ideal for various weighing applications. STAINLESS STEEL CALIBRATION WEIGHT: Made from high-grade carbon steel for enhanced durability, featuring a chrome finish for a smooth, polished appearance. Compact design allows for easy handling and storage. Constructed with heavy-duty steel to ensure durability and resistance to rust for long-term use. PORTABLE WEIGHING SCALE: Pocket-sized weight is convenient and portable. The compact case securely holds and protects the calibration weight, making it easy to store and transport. Includes one 500g calibration weight. WIDE APPLICATION: Suitable for commercial, industrial, laboratory, or educational calibration needs to ensure consistent and accurate readings on digital scales. Commonly used for jewelry, herbs, gems, laboratory samples, home, or professional environments. SCALE PRECISION AND ACCURACY: Accuracy is essential for weighing scales. This nickel-plated calibration weight provides reliable performance for most precision scales, supporting proper calibration for both personal and professional use.