blocks are approximately 6 3/4" from top to bottom, dimensions of the transition piece (top) are height 3 1/2" depth 2 5/8". please beware of the seller who's specifications are smaller than these. Properly installed crown molding should show reveal! purchase price is for 4 blocks which include 2 inside and 2 outside corners. These are made to transition up to 3 5/8” crown molding perfectly, these have also been primed with Zinsser 123 stain blocker and painted two coats with Benjamin Moore super white semi-gloss paint! block is pictured with standard 3 5/8" crown moulding in the tear drop. I also have middle transitions if need be? I can also fabricate any size or quantity order that you may need. simply message me with needs.