500pcs/Lot 65MN Spring steel 0.2mm 0.3mm 0.4mm Micro Small Compression Spring OD 2/3/4/5/6/7/8/9/10mm Length 5mm to 50mm

500pcs/Lot 65MN Spring steel 0.2mm 0.3mm 0.4mm Micro Small Compression Spring OD 2/3/4/5/6/7/8/9/10mm Length 5mm to 50mm

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