Straight Stack Boot110SEquivalent length 10'.Sizes 8" x 3-1/4" x 6", 10" x 3-1'4" x 4" - 6", 10" x 2-1'4" x 6" - 7", 12" x 2-1/4" x 6", 12" x 3-1/4" x 5" - 8", 14" x 2-1/4" x 6", 14" x 3-1/4" x 6" - 8"; available 12 per box