HVAZI M2 Nylon Hex Male-Female Spacer Standoffs Screw Nut Assortment Kit (Black) M2 Black color total 180 pieces.Nylon Hex Spacers/Standoffs/Screws/ Nuts Assorted Kit Screw thread: M2/(2mm), thread pitch: 0.4mm;Male end thread length: 6mm. Nylon Standoffs Kit For FPV Quadcopter Building,Arduino,Raspberry-Pi or other projects All products are made of durable nylon, Strong, anticorrosive. 100% new,Good Quality,Easy to install and durable to use