10-1000pcs Standard Carbon Steel Balls Spherical Bead Ball Solid Smooth Bearing Steel Ball 0.8/1/1.5/2/2.381/2.5/3/3.5/4~20mm

10-1000pcs Standard Carbon Steel Balls Spherical Bead Ball Solid Smooth Bearing Steel Ball 0.8/1/1.5/2/2.381/2.5/3/3.5/4~20mm

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