1. **Durable Construction**: This Dynamometer is crafted from strong acrylic plastic, ensuring long-lasting use and reliability for various applications, including scientific experiments and educational purposes. 2. **Versatile Capacity**: With a maximum load capacity of 10N (1kg) and options for 2.5N (250g), this versatile Dynamometer is for both classroom demonstrations and home experiments. 3. **User-Friendly Design**: Featuring an easy-to-use suspension and load hook, the Dynamometer allows for straightforward weight determination by simply attaching the desired object. 4. **Ideal for Education**: Perfectly suited as a teaching instrument for primary and secondary schools, this Spring Dynamometer enhances learning experiences in physics and science classes. 5. **Compact Size**: Measuring approximately 21cm (8.27 inches) in total length, with a plastic cylinder size of about 16.5x2.1cm (6.5x0.83 inches), this Dynamometer is portable and convenient for both indoor and outdoor use., Manufacturer: BJdfgE