Hoffman E16SPBAH, Push Button Encl, Sloped Front, 16Pb X 30.5Mm, 7.78 X 19.97 In.These Sloped Front Pushbutton Enclosures are designed to hold 30.5-mm or 22.5-mm pushbuttons and switches where slanted control surfaces are desired.Features:14 gauge steelSeams continuously welded and ground smoothCaptivated cover screws thread into sealed wellsGrounding nut in body of enclosureBonding provision on coverOil-resistant gasketFactory stamped 4-way pushbutton holes Enclosures 7.25 x 6.25 x 6.75 in. (184 x 159 x 171 mm) and larger have internal detachable hinge to hold cover open during wiring, yet permit immediate removal External mounting brackets