I have a couple extra sets of preban bark ivory.One set has lots of black blue lines and is about 3 5/8" long x 1 1/4".That's the smaller piece.The other is about 1/8" longer and wider.One piece is 1/2" thick at one end and tapers down to about 1/4".The second set is longer at about 4 3/8" X 1 1/2 x 3/16.The heavy checked set i need $125. for and the thinner less lines set $100.Shoot me a email or pm if interested.