Evolution™ Series Black Powder Coated Surface-Style Cover With Floor Covering Insert Lid Is A Low Profile Cover Designed to Attach to The EFB45S Style Floor Boxes. Each Cover Is Made Of Die Cast Aluminium and Is Equipped With A Durable Hinge Allowing The Cover to Rotate Open 180 Degrees, and Two (2) Slide Egress Doors That Lock In The Open Position and Automatically Close Around The Cables When The Cover Is Closed. The Flange Has A Beveled Edge That Meets Ada Guidelines and Reduces Tripping Hazards. These