Brushes Box Case Shorty Buy Brushes Box Case Shorty for Sale here. The Brushes Box Case Shorty is made of Aluminum. Store your Pinstripe brushes. All metal brush box will protect your brushes. Steel spring coils will hold your brushes in place. The all aluminum brush box will protect your brushes while drying, storing and transporting. Shorty case Aluminum Overall Size 5" x 6 1/2" with 1 spring. Brushes Box Case Standard Aluminum last longer than Plastic brush boxes that deteriorate from Mineral Spirits or Turpentine's and the Plasticizers that leach out and can cause oil contamination or Fish Eyes.