200pcs Durable Spring Steel Compression Set

This compression spring set contains 200 individually tested springs crafted from spring steel — a material known for its high yield strength and ability to return to original form after deformation. The robust plastic storage case measures approximately 210 x 110 x 30 mm, providing rigid walls and stable base geometry to prevent tipping or lid disengagement during frequent use. All springs are dimensionally consistent and suited for manual insertion and removal without tools. Material choice prioritises mechanical longevity over cost-cutting alternatives: spring steel resists creep and stress relaxation better than music wire or low-carbon equivalents — particularly important under sustained or cyclic loads found in household and light industrial contexts. Commonly applied in furniture reassembly, bicycle brake adjustments, small engine maintenance, craft kit builds, and educational STEM projects — the set bridges the gap between occasional fixers and regular maintainers seeking trustworthy, ready-to-deploy hardware.