These block style corners are approximately 7" from top to bottom, dimensions of the transition piece (top) are surface height 3 1/2", and surface depth 3 1/8”. Purchase price is for 4 inside corners. 4 inside corners which will transition up to 4” Crown Molding ! These have also been primed and painted with Benjamin Moore super white semi-gloss paint! I also have outside corners and middle transitions! Please Message me for additional transitions or to modify this or any of my listings to suit your needs!