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See more product details Spring Scale, Set of 5 Spring Balance Hanging Spring Scale Set- Transparent Plastic Tubular Spring Scale for Science (2.5N, 5N, 10N, 20N, 30N) Features: - For determining weights by spring elongation which is proportional to the applied force - For laboratory use, practical and useful tool - Professional and practical design with beautiful appearance, easy to carry and use. - Made of plastic materials, wear resistant and firm, durable and long service life. Specification: - Material: Metal + Plastic - Size: 10.6 x 1.3 inch/ 27 x 3.4cm Newtons: 1N, 5N, 10N, 20N, 30N Package Including: 5 x Spring Dynamometer Spring Dual To calculate the overall star rating and percentage breakdown by star, we don’t use a simple average. Instead, our system considers things like how recent a review is and if the reviewer bought the item on Amazon. It also analyzed reviews to verify trustworthiness.





