500pcs/Lot 65MN Spring steel 0.5mm 0.6mm 0.7mm Micro Small Compression Spring OD 3/4/5/6/7/8/9/10/11/12mm Length 5mm to 50mm

500pcs/Lot 65MN Spring steel 0.5mm 0.6mm 0.7mm Micro Small Compression Spring OD 3/4/5/6/7/8/9/10/11/12mm Length 5mm to 50mm

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