This set is made from a very detailed solid bare pine (Not Finger-joint) These blocks are approximately 6 1/2" from top to bottom, dimensions of the transition piece (top) are height 3 1/2" and width/depth 2 1/2”. Purchase price is for 5 inside BLOCKS, 1 outside corner block and 1 middle transition totaling 7 pieces as depicted in listing photo! These have fabricated to use with moulding up to 3 5/8”. The middle Transition is used in lieu of an ugly scarf joint. Since this was a special listing for a customer the quantity and specifications can be changed and the price re-adjusted to suit your needs.These can also be fabricated with standard PFJ or MDF moulding PRIMED AND/Or painted for any size transition. e-mail me with quantity of each needed and I will create a listing for you.