Specification BrandSuleveModelMXHN2Thread DiameterM2 M3 M4 M5 M6MaterialNylonColorBlackFeatures 1 Made of Nylon material lightweight and secure 2 No magnetic will not interfere electronic equipment signals3 Insulation Non conductive widely used in power engineering4 Corrosion resistance easy to deal with overtime strong acidity working environment5 Also suitable for for FPV RC Package Included 50 x Hex Nylon Nuts