... material: NylonBottom material: NylonGrounding screw material: .0.31”(.8) BrassScaffold material: .0.31”(.8) BrassSpare screws: 0.50”(1.3) Zinc-plated steelDielectric ... (Yellow, White, Green ).Suitable for: Medical equipment, Electronic equipment, small generators, gasoline generators, port equipment, engine room and terminal equipment etc. With wiring ...