【Material】Made of high-quality spring steel material with maximum strength and long service life; the spring coil is durable and flexible, providing proper tension.
【Multiple Sizes】Includes 20 different sizes of springs, including 12 kinds tension springs and 8 kinds compression springs. Can meet a variety of different needs.
【High Quality Compression Spring】Smooth without thorns, good fatigue strength and high ductility.
【Easy to Store】A PP storage box is attached, and a chart is attached inside the box lid for easy selection.
【Wide Application】Necessary hardware for all kinds of maintenance, suitable for: bicycles, locks, electronics, hardware, switches, fixtures, molds, toys, etc.