Description:A standoff is a fastener that is used to create space between two objects, often to properly position them. In the world of electronic components and electronic hardware, standoffs are typically used to space circuit boards, panels, doors or gears. These standoff set includes screws and nuts, made of durable and long-lasting eco-friendly Nylon PA66 which has the characteristics of insulation, 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. Clean pieces, no excess molding materials or anything to trim, snug fit, this is really an ideal set for your home projects! What are you waiting for? Get one set and make your life easier and more convenient!Feature:Made of durable eco-friendly nylon PA66 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 simply clean them with a cloth.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, working great for creatingthermal channels between chips, or creating multistory 'nerd' arrays of home made circuit boards.They do not skid easily with appropriate use.Specification:Material: PA66 NylonThread Type: M2, M3Color: BlackPackage A BC DMale-female StandoffM3*6+6mm 25pcsM2*5+3mm 25pcsM3*8+6mm 25pcsM2*6+3mm 25pcsM3*10+6mm 25pcsM2*8+3mm 25pcsM3*12+6mm 25pcsM2*10+3mm 25pcsM3*15+6mm 25pcsM2*12+3mm 25pcsM3*20+6mm 25pcsM2*15+3mm 25pcsFemale-female StandoffM3*6mm 25pcsM2*5mm 25pcsM3*8mm 25pcsM2*6mm 25pcsM3*10mm 25pcsM2*8mm 25pcsM3*12mm 25pcsM2*10mm 25pcsM3*15mm 25pcsM2*12mm 25pcsM3*20mm 25pcsM2*15mm 25pcsScrewM3*6mm 50pcsM2*5mm 50pcsM2*5mm100pcsNutM3 50pcsM3*6mm 100pcsM2 50pcsTotal250pcs250pcs250pcs250pcsBox Size: A: 17.50 x 10.00 x 2.30cm / 6.89" x 3.94" x 0.91" B: 18.00 x 10.00 x 2.50cm / 7.09" x 3.94" x 0.98" C: 13.00 x 7.00 x 2.50cm / 5.12" x 2.76" x 0.98" D: 13.00 x 7.00 x 2.50cm / 5.12" x 2.76" x 0.98"(Optional)Package Weight: approx.46-101gQuantity: 250pcs / boxPackage Included:1 x box of 250pcs StandoffsM3*6mm100pcs.