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Material: Stainless Steel 304;
OD: 4mm;
Wall Thickness: 0.3mm;
Weight: 0.1g;
Very good roundness and roughness. Polishing to mirror surface.

Material: Stainless Steel 304;
OD: 4mm;
Wall Thickness: 0.3mm;
Weight: 0.1g;
Very good roundness and roughness. Polishing to mirror surface.



