4pcs Spring Dynamometer Professional High Accuracy Bar Portable Spring Scale for Student Physics

Feature: 1. PREMIUM MATERIAL: Spring dynamometer is made of premium plastic and iron materials, fatigue resistance spring ensures accurate measurement. 2. APPLICABLE: Spring dynamometer can be used for demonstration of physics and mechanics teaching for middle school students and common instrument for student experiment. 3. ADJUSTABLE DESIGN: Spring dynamometer has adjustable pointer and scale plate for easy reading of force. 4. SUPERIOR PERFORMANCE: The spring dynamometer is manufactured to exacting standards with clear and precise scales. 5. EASY TO OPERATE: The portable spring dynamometer is easy to use and suitable for hands on operation by students. Specification: Item Type: Spring Dynamometer Material: Plastic, Iron Usage: Commonly Used in Physics and Mechanics Teaching Demonstration and Student Experiments for Secondary School Students. Scope of Application: Primary and Secondary School Mechanics Experiments. Package List: 4 x Spring Dynamometer