These block style transitions are approximately 6 3/4" from top to bottom, dimensions of the transition piece (top) are surface transition height 3 1/2", surface transition depth 2 5/8". purchase price is for 16 inside corner blocks. These have also been primed and painted two coats with Benjamin Moore super white semi-gloss paint! this is a steal at $5 each. block is pictured with standard 3 5/8" crown molding. I can also fabricate any order or any size. message me with needs.