250Pcs Nylon M2 M3 Male Female Hex Column Standoff Spacer Screw Nut Assortment Kit PCB Board Repair Accessory with Storage Box(M3 Double pass B)

The standoffs are made of durable eco-friendly nylon PA66 with long-lasting performance of acid resistant, alkali resistant, insulation and anti-signal interference. There are 4 different sets available for your building needs including a variety of male or female standoffs, nuts and screws. Ideal for mounting between PCB circuit boards and machine boards. Great for creating thermal channels between chips, or creating multistory 'nerd' arrays of home made circuit boards. The standoffs are stored in a box for youe easy storage. And they do not skid easily if you use them right. Waterproof standoffs are rust resistant and easy to clean, you can simply clean them with a cloth.