10pcs M3 M4 Hex Brass Standoff Spacer Male 6mm x Female 5-50 mm M3+6 Copper Hexagonal Stud Spacer Hollow Pillars M4*(5-50)+6mm

10pcs M3 M4 Hex Brass Standoff Spacer Male 6mm x Female 5-50 mm M3+6 Copper Hexagonal Stud Spacer Hollow Pillars M4*(5-50)+6mm

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