OverviewSpecsFAQsGalleriesResourcesReviews Product Description 6″ split and chiseled limestone step insert. Designed to FIT common 2″x6″ as would be normally expected.  THESE ARE NOT A FULL 6″ TALL. Approx 8′ long, with tapered ends.(Do not pre-form for exactly 8 ft) Up to 1 1/2 inches of relief.  Heaviest relief of any insert out there. Lightly caulk or tack to outer form. Reuse many, many times. Can easily be used in conjunction with a mild bump-up for a taller riser. 16lbs each. Almost seamless when together.  Modelling clay works very well for creating a seamless joint. There are two variants of this piece.  When sold in multiples, orders will be split even as possible.