array:4 [
  0 => "redirect"
  1 => array:3 [
    "n-d" => "n-d"
    "n-dot6m" => "n-dot6m"
    "stal" => "stal"
  ]
  2 => ""
  3 => "/category/krug-stalnoy/diametr-mm/60-mm/marka-stali-ili-splava/u8a"
]

Illuminate\Database\Eloquent\Collection {#1463
  #items: []
}