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