SAFETY-BOX Corporation offers a full line of professionally engineered, steelconstructed Trench Protection Systems. All of the company's trench shoring products are manufactured in house so they keep the most popular sizes and styles in stock available to ship immediately. SAFETY-BOX Trench Protection Systems are manufactured with high-strength steel and are designed with integral welded collars, 4 lifting lugs on each side, reinforced knife edge or flat bottom for stacking, 4" and 6" double or single wall modular design….
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