This is a requested set from a customer which can also be modified in size and quantity! This set includes 16 Inside blocked style corners which are approximately 6 3/4" from top to bottom, dimensions of the transition piece (top) are height 3 1/2" and a depth of 2 5/8". Set also includes 5 low Profile outside corners! The outsides are approximately 3 1/2” from center to end! Again, purchase price is for 21 corners which consist of 16 inside corners and 5 low profile tabbed outside corners. 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. I also have middle transitions as well. message me for package price and I will create a listing for you. Since This listing was created for an existing customer quantities and specifications can be changed and price re-adjusted!