metal w beam crash barrier brand: TONGAN thickness:2.5-3mm steel grade:Q345/Q235 ISO standard strongness, good ... No.:Buffnose, Fishtail1) Features: Also called end wing, end terminal, terminal section, buffer, buffer section2) Specification: Mainly according to clients ... components for highway guardrail such as guardrail beams, posts, terminal ends, spacers/blockouts, anti dazzle board and bolts.We ...