Little David Top & Bottom Case Sealer Model LD19B, Machine is a semi-automatic case sealer designed to process low profile and/or narrow case sizes 2" Top and bottom taper with bottom belt drive. . Box size Range: Min. 2.5" H x 3" W X 5"L, Max: 24"H x 20"W x infinite L Mounted on castors. 1/60/110v electrics