ITEM NAME:250x Plastic Nylon M3 Hex Column Standoff Spacer Screw Nut Assortment Kit E2S7 250x Plastic Nylon M3 Hex Column Standoff Spacer Screw Nut Assortment Kit E2S7 A standoff is a fastener that is used to create space between two objects,often to properly position them.standoffs are typically used to space circuit boards,panels,doors or gears.These standoff set includes screws and nuts,Non-Magnetic,thermal insulation,corrosion resistance,etc,and perfectly suitable for mounting between PCB circuit boards and machine boards and widely applied to the industries of communication,electroplating,medical device,office equipment,electronics,etc. Made of durable eco-friendly nylon which has the stable and long-lasting performance of acid resistant,alkali resistant,insulation and anti-signal interference. Waterproof standoffs are rust resistant and easy to clean,you can them with a cloth. perfect 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.They do not skid easily with appropriate use. Colour:Black Material:Nylon Packing size is about:17.4*9.8*2.2cm Package Contents: 1 * Plastic box 50 * Nylon nut M3 50 * Nylon screw M3*6mm 25 * Single head nylon spacer M3x6+6 25 * Single head nylon spacer M3x8+6 25 * Single-head nylon spacer M3x10+6 25 * Single-head nylon spacer M3x12+6 25 * Single head nylon spacer M3x15+6 25 * Single head nylon spacer M3x20+6