Durable thermally fused laminate work surfaces feature superior resistance to scratches and stains All work Surfaces and leg end panels are 1" thick Accepts any Credenza or Return Bridge on right side Accepts Keyboard Tray or Articulating Keyboard Trays in corner position All desk work surfaces feature wire management grommets which can accept Monitor Arm w/Post Meets ANSI/BIFMA standards for safety and performance Commercial quality backed by 10-year Warranty