· Rex Abisko Rectified 4 x 18 Betulla offered at $6.37 S / FT · covers 5.830 per S / FT · contains 12.000 per Box · measures 18.000 Inch in length · measures 4.000 Inch in width thick · weighs 58.000 lbs · in the Off White color family · composed of Porcelain · has a T