Compression Spring Steel 2mm Wire Dia 18mm - 20mm OD Small Pressure Springs Product Information: Name: Compression Spring (Cylindrical Spiral Spring Compression Spring) Material: Spring steel Processing: Blackening Packaging instructions: Self sealing bag+cardboard box Specification: For example, 0.8 * 10 * 50 (wire diameter d * outer diameter D * length L) Unit: millimeter mm
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