🔍 Elevate Your Precision Game! Perfect for laboratory measurements, educational purposes, and business applications. Easily portable with dimensions of 11.8 x 9.8 x 5.8 cm. Includes 17 weights for all your calibration needs. Crafted from high-quality 45# steel for long-lasting performance. Achieve accuracy with a deviation of just +/-0.003g. Precision: +/-0.003g 17 weights Material: 45# steel The ZJchao 17-piece calibration weight set is designed for professionals seeking unmatched accuracy in their measurements. Made from durable 45# steel, this set features weights ranging from 10mg to 100g with a minimal deviation of +/-0.003g, making it ideal for laboratory, educational, and business applications. Compact and portable, it’s the perfect tool for anyone serious about precision.