- Calibration Weight Set: This comprehensive 17-piece calibration weight set includes weights of 100 g, 50 g, two 20 g, 10 g, 5 g, two 2 g, 1 g, 500 mg, two 200 mg, 100 mg, 50 mg, two 20 mg, and 10 mg. With 13 distinct sizes, it provides a wide range of accurate measurements with an allowable error of only -0.003 to +0.003 g, making it ideal for precise calibrations. - Premium Quality Material: Crafted from high-strength 45-gauge steel, this weight set is resistant to deformation and rust, ensuring longevity and precision in your measurements. This material sets our weights apart from standard steel options, providing durability and reliability. - User-Friendly Design: Each weight is designed in a one-piece cylindrical shape featuring raised tips for easy handling. Included anti-static tweezers allow you to select and place weights conveniently, simplifying the calibration process. - Convenient Storage: The weights are packaged in a foam-lined plastic container, ensuring protection during transport and storage. This thoughtful design keeps your calibration weights safe and organized, facilitating easy access for both professional and home use. - Versatile Applications: Perfect for a variety of settings including laboratory environments, hobbyist projects, and for recalibrating kitchen scales, this weight set is essential for anyone needing precise measurements. Upgrade your calibration accuracy effortlessly with this reliable weight set.