don't be fooled by sellers who is specifications are smaller than these. Properly installed Crown is meant to show reveal as in the listing photo! These block style corners are approximately 5 3/4" from top to bottom, dimensions of the surface transition piece (top) are height 2 1/2" and surface depth of 2". purchase price is for 12 inside corner blocks. these have also been primed and painted with Benjamin Moore super white semi-gloss paint! block is pictured with standard 3 5/8" crown moulding. I can also fabricate any size or quantity transition. Simply message me with needs!