Hex Female to Female M3 Brass Pillar Standoff Spacer Screw Hexagonal Hollow Pillars 15mm you can use it for Spacing of any robotic or development board plates Spacing.

Specifications:

• Model Number: M3
• Material: Brass
• Length: 15mm

Package Includes:

1 x 15mm Hex Female to Female M3 Brass Pillar Standoff Spacer