blocks are approximately 5 3/4" from top to bottom, dimensions of the transition piece (top) are height 2 1/2" width 2". purchase price is for 5 blocks. 4 inside corners and 1outside corner! these have also been primed with Zinsser 123 stain blocker and painted two coats with Benjamin Moore super white semi-gloss paint! blocks are created from standard 2 5/8" crown moulding. Each additional outside corner block is plus free shipping. Message me for additional transitions!