Practical Tweezers Included The kit comes with ergonomic tweezers for easy handling and quick access to each weight, making calibration faster and less cumbersome. Precision Calibration Weights Provides accurate calibration weights for reliable measurements. A must-have for jewellery and laboratory work. Comprehensive Weight Range Includes a variety of weights from 10 g to 200 g, covering all common calibration options in one set. Smooth Surface and Slim Design Features a slim profile with a smooth surface for easy placement, removal, and handling, while maintaining a neat, professional look. Use scenarios - Calibrating jewellery scales to ensure accurate pricing and verification of gemstone or metal weights. - Routine calibration of laboratory balances before experiments or quality control checks. - On-site calibration in workshops or studios when switching between projects.