This calibration weight is an essential tool for maintaining the accuracy of laboratory balances and scales. Its ergonomic hooked design enables easy handling and secure attachment during use. for educational purposes, it supports physics teaching and general science experiments, ensuring reliable results in various testing scenarios. Features -Color:Silver -Material:Steel -Size:3.70X2.10X2.10cm/1.45X0.83X0.83in -Precision calibration: designed for exact weight measurements, ensuring dependable results in laboratory and industrial settings. - quality: m1grade steel construction offers exceptional durability, minimizing wear and tear even with frequent use. - usability: ideal for scientific research, educational purposes, and production environments requiring precise weight calibration. -Userfriendly design: small and portable, the 100 g weight is easy to operate and transport for quick calibration needs. -Enhanced surface protection: polished finish prevents damage from daily handling, keeping the weights in pristine condition for extended use Package list: 4pcs weight calibration weight