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

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

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