1/5pcs M3-M10 zigrinato serraggio manuale pollice vite bullone tenda parete vetro vite pollice

3mm(M3) / 4mm(M4) / 5mm(M5) / 6mm(M6) / 8mm(M8) / 10mm(M10). 0.5mm(M3) / 0.7mm(M4) / 0.8mm(M5) / 1.0mm(M6) / 1.25mm(M8) / 1.5mm(M10). Thread pitch light blue ：carbon steel (blue zinc-plated).

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