Features: High accuracy sensors ensures precisely measurements, overcoming environmental interference for physics teaching balance in labs and classrooms. Metal construction enhances stability and longevity, making this professional measurement tool great for frequent educational use. Suitable for physics educators and students requiring dependable lab equipment for classroom experiments and scientific demonstrations. Features clearly scale marking and calibration, great for school laboratories conducting hands on measurement activity. Slip resistant base with protective edges ensures safe operate during physics demonstration in student labs with active learners. Specifications: Component: Metal Color: Silver Size1: Approx. 30x12x28.50cm/11.81x4.72x11.22in Size2: Approx. 21x12x28cm/8.26x4.72x11.02in Size3: Approx. 36x12.3x40cm/14.17x4.84x15.74in Weight: Approx. 1600g, 2400g 2800g Package Includes: 1Piece Physics Teaching Balance note: 1.Please allow 0-1cm error due to manual measurement. Be sure you donot mind before bid. 2.Due to difference between different monitors, the picture may not reflect the actual color