250Pcs Nylon Black M2 Female to M2 Female Hex Column Standoff Spacer Pillars Screws Assortment Kit with Storage Box<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>Material:nylon PA66， which is eco-friendly，and has the stable and long-lasting performance of acid resistant，alkali resistant，insulation and anti-signal inteference</li><li>Nylon standoff spacer type:M2 Female-Female Hex Tapped</li><li>250Pcs parts includes(25Pcs of each size，total 150Pcs)5mm，6mm，8mm，10mm，12mm，15mm standoff spacer pillars，and 100Pcs M2*5mm screws</li><li>Ideal for mounting between PCB circuit boards and machine boards， working great for creating thermal channels between chips， or creating multistory nerd arrays of home made circuit boards</li><li>Waterproof standoffs are rust resistant and easy to clean， you can simply clean them with a cloth</li></ul></div><img src="http://ecx.images-amazon.com/images/I/518sbIhIRTL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/31EjCeAYT6L.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/31k7Cu5PE%2BL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41nB%2BHFvw3L.jpg" noproxy>