Made of polyethylene of special composition for long life and brightness of colors. Bridging, split, steel, hot dip galvanized. Single-ended fasteners (bumpers) at each end, metal trays, hot - galvanized, at each end, protecting plastic parts from friction with chains, chains, etc. Naturally, expanded polystyrene, non-hydrophilic, covers the interior. Special design of the shaft for non-rotation in relation to plastic parts and ease of replacement.
Volume: 500lt
