[Product details] dual waveform guardrail: 4320 * 310 * 85 * 3/4. Waveform guardrail Surface treatment: hot dip galvanized, hot-dip galvanizing spray; waveform fence column spacing is generally divided into two meters spacing and 4 m spacing; mode waveform fence column connected with the board have discourage and bracket-style two-block species. Waveform guardrail Category: beam guardrail general location and tap Settings classified crash rating. By setting location can be divided into roadside guardrail and the guardrail median strip. A collision can be divided according to grade level and the S-Class. S-class fence belongs enhanced for particularly dangerous sections of road side use. A grade for private roads. Material: high quality steel embalmed. Purpose: industrial, agricultural, municipal, transportation and other sectors of the fence, decorative, protective and other facilities. Features: Good corrosion resistance, anti-aging, beautiful. Installation is simple and quick.