Frey Scientific Spring Set includes five springs of varying spring constants. The forces required for a 1 cm extension are 0.25N, 0.5N, 1N, 1.5N, and 2.5N. Top end is looped while the bottom end is hooked with a red-painted pointer that is suitable for Hooke’s law experiments. Set of 5. Shipping Details Shipping Type: parcel Free Shipping: true Specifications Maximum Age: 12 years Maximum Grade Level: Grade 12 UPC: 885634204891 Allergens: Contains No Allergens Certifications: Not Applicable Grade Level: Middle-High School Specialty Shops: Clearance Safety:
SUOM Description: Set of 5 Brand Name: United Scientific Description: Spring Set Material: Metal
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