240x M3 Brass Hex Column Standoff Spacer Screw Nut Single Head Double-Pass Screw

20pcs M3 5+6mm Single Head. 20pcs M3 10mm+6mm Single Head. 20pcs M3 15mm+6mm Single Head. 20pcs M3 20mm+6mm Single Head. 240pcs Boxed Hexagonal Copper Column M2 Combination Set. 20pcs M3 5mm Double-Pass.

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