Black Wood Racks WRB-4 Depth 404mm High 4HE Units. All WRB racks are 517 wide -Total Height 217mm.Black laminated . 19"profiles with M5 thread , painted black. Includes all mounting hardware and instructions. Easy assembly. These racks provide a beautiful and economical way possible to mount 19"devices in home , studios,residental facilities, conference rooms,classrooms,restaurants and Churches.