1、Package Contains: The set includes a range of slotted masses, including 200g x 1, 50g x 2, 20g x 2, and 10g x 1, along with a hanger and storage box for easy organization and transportation. 2、Durable Construction: Made of high strength chrome plated steel, the lab slotted mass set is durable and built to last, offering long term reliability for laboratory use. 3、High Accuracy: With a ±2% accuracy level, this mass set provides precise measurements for balancing tests and weight determinations, ensuring accurate results in various scientific experiments. 4、Versatile Design: The small weight is suitable for studying pressure, force, and torsion in classroom or laboratory settings, making it a practical tool for science experiments. 5、Wide Application: Ideal for use in labs, classrooms, and homes, this mass set is versatile and can be used for a range of educational and experimental purposes