M4 M5 M6 M8 M10 Nut Washer Assortment Kit Black White Nylon Hex Bolt External Hexagon Machine Screw
https://www.vogueparade.com/shopping/EN/42/1/1005003309385299/m4-m5-m6-m8-m10-nut-washer-assortment-kit-black-white-nylon-hex-bolt-external-hexagon-machine-screw//