Features [Easy Access] All these components are integrated into a box for easy access and storage. [Precise pairing] Precision yarn fits perfectly together. [Sturdy and durable] The m2 spacer has high strength and toughness, is not easy to break and can be used for a long time. [Full Size] These spacers have different sizes to meet your different needs. [High Quality Material] These brass spacers, screws and nuts are made of brass, durable and corrosion resistant. =``Specification: Item Type: Distance Material: brass Thread Type: M2 Package List: 25 pieces female-male spacer M2 x 5 + 3 25 pieces female-male spacer M2 x 10 + 3 25 pieces female-male spacer M2 x 15 + 3 25 pieces female-male spacer M2 x 20 + 3 25 pieces female-female spacer M2 x 5 25 pieces female-female spacer M2 x 10 25 pieces female-female spacer M2 x 15 25 pieces female-female spacer M2 x 20 60pcs brass Phillips screw M2 x 5 60pcs Brass Hex Nut M2 Package List