The unit is is a recessed rectangular stainless steel shelf; Holes are provided on the flange for front mounting. The unit may be used for ligature resistant application. The shelf is Powder Coated Enviro-Glaze® Snow White. A 16.5 Wide × 5.5 High × 4.25 Deep inches (419 × 140 × 108 mm) opening is required in the mounting wall. The unit has a 1.5 inch (38.1 mm) flange with mounting holes. Eight 1/4"-20 UNC screws are provided.