Set of 5 springs: 0.5N, 1N, 2N, 3N, 5N

Elasticity constants: 2.5 N/m, 5 N/m, 10 N/m, 15 N/m, 25 N/m (approximate values)

Product details:

5 springs of the same length but with different spring constants. Each spring has an eye on one end and a hook on the other.

21035