FeaturesSeams continuously welded and ground smoothCaptivated stainless steel cover screws thread into sealed wellsEnclosures 8-1/2 x 4 x 4-3/4 in (216 x 102 x 121 mm) and larger have internal detachable hinge to hold cover open during wiring, yet permit immediate removalBonding provision on door, grounding nut on bodyOil-resistant gasketEnclosures provide protection against dirt, dust, oil and waterExtra-deep design accommodates additional contact blocks for pushbuttons