The Armorgard TuffBank™ Site Boxes are a heavy-duty construction site chest with a thick steel plate lid, ultra-robust 5-lever deadlocks with anti-drill plates and anti-cut rollers in deadbolt, with robust Chubb style keys. Serial numbered for overnight key replacements. Gas struts on all sizes for easy opening and closing with a continuous heavy-duty, fully-welded hinge and internal lid support stay. Quick fit robust casters available ARMCAS. External Dimensions: 760 x 675 x 665mm.Internal Dimensions: 680 x 605 x 575mm.Weight: 50kg.